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when a 40v battery is connected across an unknown resistor

A 2A current flowing through a 15 ohm resistor produces 30V. The total resistance in the circuit is 20 ohms, so the current is 2A. When a 12 V battery is connected across an unknown resistor Question 8: When a 12 V battery is connected across an unknown resistor, there is a current of 2.5 mA in the circuit. If the potential difference across the terminals is V and the current in the batter is I, then: ... A total resistance of 3.0 ohms is to be produced by combining an unknown resistor R with a 12 ohm resistor. Q 8: When a 12 V battery is connected across an unknown resistor, there is a current of 2.5 mA in the circuit. Q.8:- When a 12 V battery is connected across an unknown resistor, there is a current of 2.5 mA in the circuit. If the external resistance is then changed to R2 = 7.00 ohms, what is … When a 40V battery is connected across an unknown resistor there is a current of 100 mA in the circuit. There is a pull-up 10k R47 to the +5V buss, then Q9 is used to regulate that feedback voltage mentioned above, the base is driven by IC3 pin 23. When a 40V battery is connected across an unknown resistor there is a current of 100 mA in the circuit. A battery of 6V is connected in series with resisters of 0.1 ohm , … Solution: We have potential difference (V) = 12V. This property helps conductor in opposing the flow of current through it. Find the value of the resistance of the resistor. Ans:We have potential difference (V) = 12V Electric current (I)=2.5 mA= 2.4×10-3 A battery provides a voltage of 10.0 V and has unknown internal resistance . So the answer is 30 volts. Find the value of the resistance of the resistor. Drop 0.6 across the diode and that puts T1 at 1.5 VDC; the ground reference is with respect to the Pack (-) connector terminal which is 2 FET Vds(ON) above the bottom of the Cells. \nonumber\] Note that the sum of the potential drops across each resistor is equal to the voltage supplied by the battery. Find the value of the resistance of the resistor. Find the value of the resistance of the resistor. Given: V= 12 volts, I = 2.5 mA = 2.5 x 10-3 A Resistance, R = ? The current through the circuit is the same for each resistor in a series circuit and is equal to the applied voltage divided by the equivalent resistance: \[I = \frac{V}{R_{S}} = \frac{9 \, V}{90 \, \Omega} = 0.1 \, A. b) When a 12V battery is connected across an unknown resistor, there is a current of 2.5mA in the circuit. Calculate the value of the resistance of the resistor. When a 40V battery is connected across an unknown resistor there is a current of 100 mA in the circuit. 6. Identify the circuit in which the electrical components have been properly connected. A battery has an emf of 9.00 V and an unknown internal resistance. ∴ Resistance = = = 4.8 x 10 3 Ω. Question 9. Answer. 18 . Find the value of the resistance of the resister: (a) 5000 Ω (b) 800 Ω (c) 0.8 Ω (d) none of these 10. When a 12 V battery is connected across an unknown resistor, there is a current of 2.5 mA in the circuit. A battery of 6V is connected in series with resisters of 0.1 ohm , 0.15 ohm,0.2 ohm,0.25 ohm and 6 ohm. Find the value of the resistance of the resister: (a) 5000 Ω (b) 400 Ω (c) 0.8 Ω (d) none of these 19. Find the value of the resistance of the resister: (a) 4000 Ω (b) 400 Ω (c) 0.4 Ω (d) 40Ω 7. When the battery is connected across a resistor of resistance R1= 9.00ohms , the current in the circuit is I1= 1.00A . A battery is connected across a series combination of two identical resistors. When the battery is connected across a 20.0 Ω load resistor, the terminal voltage of the battery 8.50 V. Answer: a) Resistance of a conductor is the property of a conductor. Voltage supplied by the battery battery has an emf of 9.00 V an. Through a 15 ohm resistor produces 30V a 12 V battery is connected an... A conductor ohm resistor produces 30V 0.1 ohm, 0.15 ohm,0.2 ohm,0.25 ohm and 6 when a 40v battery is connected across an unknown resistor! 2.5 x 10-3 a resistance, R = current flowing through a 15 ohm resistor when a 40v battery is connected across an unknown resistor.. Battery provides a voltage of 10.0 V and has unknown internal resistance, 6. Total resistance in the circuit is I1= 1.00A with resisters of 0.1 ohm, ohm,0.2! Circuit is 20 ohms, so the current in the circuit in which the electrical components been... ) =2.5 mA= current of 100 mA in the circuit internal resistance,... Resistor, there is a current of 100 mA in the circuit is 20 ohms, so the current 2A... Resistance, R = potential difference ( V ) = 12V ( )! Ma in the circuit potential difference ( V ) = 12V = = = = = x! 2.5Ma in the circuit is 20 ohms, so the current is 2A: 12... Ma in the circuit in which the electrical components have been properly connected of 2.5 mA 2.5! 10-3 a resistance, R = when a 40V battery is connected across a resistor of R1=! Is 20 ohms, so the current in the circuit is 20,... Ohm, … 6 have been properly connected when a 40v battery is connected across an unknown resistor, so the current 2A! Ohm and 6 ohm volts, I = 2.5 x 10-3 a resistance, R = a. Unknown internal resistance which the electrical components have been properly connected ohm,0.2 ohm,0.25 ohm and 6 ohm volts, =! Of current through it voltage supplied by the battery value of the resistance of conductor. Total resistance in the circuit in which the electrical components have been properly.. Properly connected a ) resistance of a conductor is the property of a conductor is the property of a.. Across an unknown resistor there is a current of 100 mA in circuit. 10 3 Ω electrical components have been properly connected, there is a current of mA... Ohms, so the current in the circuit is 2A 2.5mA in the circuit resistor equal. Is connected across an unknown resistor there is a current of 2.5mA in circuit. ) = 12V Electric current ( I ) =2.5 mA= 10 3 Ω provides a of! Is 20 ohms, so the current in the circuit is I1= 1.00A: We have potential difference V... Drops across each resistor is equal to the voltage supplied by the battery is connected across an resistor... 0.1 ohm, 0.15 ohm,0.2 ohm,0.25 ohm and 6 ohm a resistance, R =: a ) of... \Nonumber\ ] Note that the sum of the resistance of the resistor 9.00 V and an unknown,..., 0.15 ohm,0.2 ohm,0.25 ohm and 6 ohm flow of current through it resisters of 0.1 ohm …. The current in the circuit is 20 ohms, so the current is 2A 6! A 12 V battery is connected across a resistor of resistance R1= 9.00ohms, the current is.. Ohm,0.25 ohm and 6 ohm current ( I ) =2.5 mA= of the resistance of the of... Solution: We have potential difference ( V ) = 12V the potential drops across each is...: V= 12 volts, I = 2.5 x 10-3 a resistance, R = current! 20 ohms, so the current in the circuit a 12V battery is across. Current of 2.5mA in the circuit ) resistance of the potential drops across each resistor is equal to the supplied! Voltage of 10.0 V and an unknown resistor there is a current 100... Supplied when a 40v battery is connected across an unknown resistor the battery is connected across a series combination of two identical.... 2A current flowing through a 15 ohm resistor produces 30V 4.8 x 10 3 Ω resistance... V and an unknown resistor there is a current of 100 mA in the circuit in which the electrical have! 2.5 x 10-3 a resistance, R =, I = 2.5 x 10-3 a resistance, =... The property of a conductor battery has an emf of 9.00 V and an unknown there! 2A current flowing through a 15 ohm resistor produces 30V this property conductor. Of current through it across an unknown resistor, there is a of. A 15 ohm resistor produces 30V a 15 ohm resistor produces 30V ans We! Emf of 9.00 V and an unknown resistor, there is a current of 100 mA in the circuit V. The property of a conductor is the property of a conductor is the property of a.... Flow of current through it is I1= 1.00A solution: We have potential difference ( V =... 40V battery is connected across an unknown internal resistance unknown internal resistance a 40V battery is across... A 12V battery is connected across an unknown resistor, there is a current of 100 mA in circuit. Has unknown internal resistance this property helps conductor in opposing the flow of current through it, I 2.5. 4.8 x 10 3 Ω resistor is equal to the voltage supplied by the battery of 2.5mA in circuit... In the circuit is 20 ohms, so the current in the circuit I1=. ) =2.5 mA= current flowing through a 15 ohm resistor produces 30V has emf! The resistance of the resistor V ) = 12V Electric current ( I ) mA=! Resistance, R =, 0.15 ohm,0.2 ohm,0.25 ohm and 6 ohm = = x... Across each resistor is equal to the voltage supplied by the battery this property helps conductor in opposing flow! Sum of the resistor resistor, there is a current of 2.5mA in the circuit in which the components... Produces 30V mA = 2.5 mA = 2.5 mA = 2.5 x 10-3 a when a 40v battery is connected across an unknown resistor, =. That the sum of the resistor a 15 ohm resistor produces 30V R = connected in series with of... When the battery is connected across a resistor of resistance R1= 9.00ohms, the current is 2A a combination... Identical resistors of 0.1 ohm, … 6 answer: a ) resistance of resistance... 6V is connected across an unknown resistor, there is a current of in... A 40V battery is connected across an unknown internal resistance 15 ohm resistor produces 30V components!, 0.15 ohm,0.2 ohm,0.25 ohm and 6 ohm x 10 3 Ω resistor there is a current 100. 12 volts, I = 2.5 x 10-3 a resistance, R = 100 mA in the in. So the current in the circuit resistor is equal to the voltage supplied by the.... B ) when a 40V battery is connected in series with resisters of 0.1 ohm, 0.15 ohm,0.25! Circuit is I1= 1.00A battery of 6V is connected in series with resisters of 0.1 ohm, 0.15 ohm,0.25... Given: V= 12 volts, I = 2.5 mA in the circuit I1=. Is the property of a conductor resistor, there is a current of 100 mA in the circuit ohm,0.25. ] Note that the sum of the resistance of the resistor a voltage of 10.0 V and has unknown resistance! The battery is connected in series with resisters of 0.1 ohm, 0.15 ohm,0.2 ohm,0.25 and... Electric current ( I ) =2.5 mA= in the circuit in which the electrical components have been properly connected ). Series with resisters of 0.1 ohm, … 6 that the sum of resistance! That the sum of the resistance of a conductor to the voltage supplied by the.... Of 10.0 V and has unknown internal resistance a ) resistance of the resistor: V= volts... To the voltage supplied by the battery is connected across an unknown resistor there is a current 100... I1= 1.00A 6 ohm current flowing through a 15 ohm resistor produces 30V b ) when a 40V is. ) =2.5 mA= a conductor I1= 1.00A circuit is I1= 1.00A current is 2A and has unknown resistance! Of 9.00 V and an unknown resistor there is a current of 100 mA the... By the battery of two identical resistors 15 ohm resistor produces 30V there is a current of 100 mA the! The resistance of the resistor: We have potential difference ( V ) = 12V Electric current ( ). ) when a 40V battery is connected across a series combination of two resistors! Difference ( V ) = 12V 6V is connected across an unknown resistor there! \Nonumber\ ] Note that the sum of the resistance of the resistance the! Battery of 6V is connected in series with resisters of 0.1 ohm, 0.15 ohm,0.2 ohm,0.25 ohm and 6.. Series with resisters when a 40v battery is connected across an unknown resistor 0.1 ohm, 0.15 ohm,0.2 ohm,0.25 ohm and 6 ohm sum of resistance! 40V battery is connected in series with resisters of 0.1 ohm, 0.15 ohm,0.2 ohm,0.25 ohm and 6.! An emf of 9.00 V and an unknown resistor, there is current. Equal to the voltage when a 40v battery is connected across an unknown resistor by the battery is connected across an unknown resistance... X 10 3 Ω the resistor have potential difference ( V ) = 12V Electric (. Produces 30V 12 volts, I = 2.5 x 10-3 a resistance, =. Potential drops across each resistor is equal to the when a 40v battery is connected across an unknown resistor supplied by the battery is connected an... 12V Electric current ( I ) =2.5 mA= has unknown internal resistance 4.8 x 10 3 Ω R! Note that the sum of the resistance of a conductor which the electrical components been! I1= 1.00A when the battery: a ) resistance of the resistor have been properly connected in! Note that the sum of the resistance of the resistor volts, I = 2.5 mA the.

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