The diagram at the right shows two identical resistors - R₁ and R₂ - placed in a circuit with a 12-Volt battery. O increase, remain the same increase, increase remain the same, increase decrease, remain the same decrease, increase decrease, decrease remain the same, decrease O remain the same, remain the same R1 increase, decrease 후 If a third resistor (R3), identical to the other two, is added in series with the first two, then the overall resistance will and the overall current will _____ 12V R2

The diagram at the right shows two identical resistors - R₁ and R₂ - placed in a circuit with a 12-Volt battery. O increase, remain the same increase, increase remain the same, increase decrease, remain the same decrease, increase decrease, decrease remain the same, decrease O remain the same, remain the same R1 increase, decrease 후 If a third resistor (R3), identical to the other two, is added in series with the first two, then the overall resistance will and the overall current will _____ 12V R2

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter20: Electric Current, Resistance, And Ohm's Law

Section: Chapter Questions

Problem 14CQ: The power dissipated in a resistor is given by P = V2/R, which means power decreases if resistance...

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Consider the circuit below. The battery has an emf of = 30.00 V and an internal resistance of r = 1,00 . (a) Find the equivalent resistance of the circuit and the current out of the battery. (b) Find the current through each resistor, (c) Find die potential drop across each resistor, (d) Find the power dissipated by each resistor, (e) Find the total power supplied by the batteries.
(a) Find the current in each resistor of Figure P18.18 by using the rules for resistors in series and parallel. (b) Write three independent equations for the three currents using Kirchhoffs laws: one with the node rule; a second using the loop rule through the battery, the 6.0- resistor, and the 24.0- resistor; and the third using the loop rule through the 12.0- and 24.0- resistors. Solve to check the answers found in part (a). Figure Pl8.18
(a) Find the current in each resistor of Figure P18.18 by using the rules for resistors in series and parallel. (b) Write three independent equations for the three currents using Kirchhoffs laws: one with the node rule; a second using the loop rule through the battery, the 6.0- resistor, and the 24.0- resistor; and the third using the loop rule through the 12.0- and 24.0- resistors. Solve to check the answers found in part (a). Figure Pl8.18
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