Current and Voltage

Practice Questions

AP Physics 1 › Current and Voltage

Page 1 of 3

10 of 22

1

If a TV uses of energy over the course of , and it has a voltage of , how many coulombs passed through it during that time?

2

Parallel circuit

What is the current in the given circuit if $R_1=10\Omega$ , $R_2=15\Omega$ and ?

3

Consider the circuit:

Circuit_4

How much current is flowing through R1?

$R1 = 2\Omega,\ R2 = 4\Omega,\ R3 = 4\Omega,\ R4 = 2\Omega$

4

Basic circuit

In this circuit above, $Z_1=4\Omega$ and $Z_2=12\Omega$ . The voltage drop across is eight volts. What is the current across the circuit?

5

Determine the voltage drop across a resistor of $2\Omega$ experiencing a current flowing through it, if it is connected to a battery of ?

6

You have the following circuit. The values for the components are:

$R1=3k\Omega$

$R2=R3=4k\Omega$

$V_{SOURCE}=10V$

Circuit

What is the current passing though R3?

7

Consider a circuit composed of a battery and three resistors in series. The three resistors are $R_1 = 3 \Omega, R_2 = 5 \Omega, R_3 = 8 \Omega$ . Calculate the voltage drop $(\Delta V)$ across .

8

Consider the circuit:

Circuit_4

By how much does the current through the circuit decrease if R3 is removed?

$R1 = 5\Omega,\ R2 = 20\Omega,\ R3 = 25\Omega,\ R4 = 10\Omega$

9

Which of the following wires with a current running through them would have the least resistance?

10

Consider the following circuit:

Circuit_1

If 1.35A is flowing through R1, how much current is flowing through R4?

$R1=5\Omega,\ R2=3\Omega,\ R3=4\Omega,\ R4=1\Omega,\ R5=2\Omega$

Page 1 of 3

Return to subject