Free Printable Ohm's Law: Circuits Quiz

1.

What is the formula for Ohm's Law?

a)

$V = I \times R$

b)

$P = V \times I$

c)

$R = \frac{P}{I}$

d)

$I = V \times R$

2.

In a series circuit, how does the current behave through each resistor?

a)

The current is different through each resistor

b)

The current is the same through each resistor

c)

The current is zero through each resistor

d)

The current doubles through each resistor

3.

Which of the following is true about the total resistance in a parallel circuit?

a)

It is the sum of all resistances

b)

It is always greater than the largest resistor

c)

It is less than the smallest resistor

d)

It is equal to the average of all resistances

4.

If a circuit has a voltage of $12\,V$ and a resistance of $4\,\Omega$ , what is the current according to Ohm's Law?

a)

$2\,A$

b)

$3\,A$

c)

$4\,A$

d)

$6\,A$

5.

What is the total resistance of three resistors ( $2\,\Omega$ , $3\,\Omega$ , $5\,\Omega$ ) connected in series?

a)

$2\,\Omega$

b)

$3\,\Omega$

c)

$5\,\Omega$

d)

$10\,\Omega$

6.

Which equation correctly represents the total resistance $R_{total}$ for two resistors $R_1$ and $R_2$ in parallel?

a)

$R_{total} = R_1 + R_2$

b)

$\frac{1}{R_{Total}}=\frac{1}{R1}+\ \frac{1}{R2}$

c)

$R_{total} = R_1 - R_2$

d)

$R_{total} = \frac{R_1 + R_2}{2}$

7.

A $9\,V$ battery is connected in series with two resistors: $2\,\Omega$ and $4\,\Omega$ . What is the current in the circuit?

a)

$1.5\,A$

b)

$2\,A$

c)

$3\,A$

d)

$4.5\,A$

8.

Three resistors ( $6\,\Omega$ , $3\,\Omega$ , $2\,\Omega$ ) are connected in parallel. What is the total resistance?

a)

$1\,\Omega$

b)

$11\,\Omega$

c)

$0.5\,\Omega$

d)

$2.5\,\Omega$

9.

If the total resistance in a series circuit is $15\,\Omega$ and the current is $0.2\,A$ , what is the voltage supplied?

a)

$3\,V$

b)

$7.5\,V$

c)

$15\,V$

d)

$18\,V$

10.

A parallel circuit has two resistors: $8\,\Omega$ and $4\,\Omega$ . If the voltage across the circuit is $12\,V$ , what is the total current supplied by the battery?

a)

$1\,A$

b)

$2\,A$

c)

$3\,A$

d)

$4.5A$

11.

A series circuit contains three resistors: $5\,\Omega$ , $10\,\Omega$ , and $15\,\Omega$ . If the voltage across the $10\,\Omega$ resistor is $20\,V$ , what is the current in the circuit?

a)

$1\,A$

b)

$2\,A$

c)

$0.5\,A$

d)

$4\,A$

12.

A circuit has a $24\,V$ battery and three resistors in parallel: $6\,\Omega$ , $8\,\Omega$ , and $12\,\Omega$ . What is the total resistance of the circuit?

a)

$2.18\,\Omega$

b)

$2.67\Omega$

c)

$4.00\,\Omega$

d)

$5.00\,\Omega$

13.

You have a circuit with a $24\,V$ battery and three resistors in series: $2\,\Omega$ , $4\,\Omega$ , and $6\,\Omega$ . What is the voltage drop across the $4\,\Omega$ resistor?

a)

$4\,V$

b)

$6\,V$

c)

$8\,V$

d)

$12\,V$

14.

A parallel circuit has three branches: $10\,\Omega$ , $20\,\Omega$ , and $30\,\Omega$ . If the total current from the battery is $6\,A$ , what is the current through the $10\,\Omega$ resistor?

a)

$1\,A$

b)

$2\,A$

c)

$3.27A$

d)

$4\,A$

Ohm's Law: Circuits Quiz

Total questions: 14

Worksheet time: 7mins

Similar Resources on Wayground