Electric circuits and Kirchhoff's laws

Question 1 of 10

A Wheatstone bridge is used to measure

Question 2 of 10

Kirchhoff's second (voltage) law is based on the conservation of

Question 3 of 10

In a balanced Wheatstone bridge, P = 4 Ω, Q = 8 Ω and R = 6 Ω. The unknown S is

Question 4 of 10

A potential divider has resistors of 2 kΩ and 8 kΩ across 10 V. What is the voltage across the 8 kΩ resistor?

Question 5 of 10

For the cell in a 12 V, 1 Ω and 5 Ω circuit carrying 2 A, what is the terminal voltage?

Question 6 of 10

Three currents of 2 A, 3 A and 1 A flow into a junction. One current flows out. How large is it?

Question 7 of 10

Kirchhoff's first (current) law states that at a junction

Question 8 of 10

A cell of e.m.f. 12 V and internal resistance 1 Ω is connected to a 5 Ω resistor. What current flows?

Question 9 of 10

A potentiometer wire of 100 cm balances a 1.5 V cell at 60 cm. Another cell balances at 80 cm. Its e.m.f. is

Question 10 of 10

In a loop with e.m.f.s 12 V and 4 V opposing each other and total resistance 4 Ω, the current is