Free Printable Combination of Resistors

Worksheets

Combination of Resistors

Total questions: 20

Worksheet time: 26mins

Name

Class

Date

A 3.0 Ω resistor and a 6.0 Ω resistor are connected in parallel.What is their combined resistance?

0.50Ω

2.0Ω

4.5Ω

9.0Ω

The circuit diagram shows a 4.0 Ω resistor and an 8.0 Ω resistor connected to a 6.0V battery. What is the current in the battery?

0.50A

0.75A

1.50A

2.00A

The circuit diagram shows a 4.0 Ω resistor and an 8.0 Ω resistor connected to a 6.0V battery.What is the current in the 8.0 Ωresistor?

0 A

0.50A

0.75A

1.0A

In a series circuit which of the following is the same throughout the circuit

Resistance

Voltage

Current

None of the above

In a series circuit which of the following will vary based on the resistor

Resistance

Voltage

Current

None of the above

A circuit with 3 resistors, 10 Ohms, 30 Ohms and 20 Ohms are in series. What is the total resistance

30 Ohms

50 Ohms

60 Ohms

100 Ohms

3 resistors are connected to a 9 V battery n a series circuit, the first resistor uses 6 V, the second uses 2 V. How much voltage does the third resistor use?

1 V

2 V

3 V

9 V

If you increase the voltage of a circuit, what happens?

Current decreases

Current increases

Electrons disappear

Bulbs get dimmer

If you decrease the resistance of a circuit, what happens?

Current decreases

Current increases

Electrons disappear

Bulbs get dimmer

10.

The total resistance in this circuit is

100 ohms

450 ohms

400 ohms

30 ohms

11.

What is the effective resistance of this combination?

2 kΩ

1 kΩ

5 kΩ

500 Ω

12.

What is the total resistance in this circuit?

501 Ω

501 kΩ

1.5 kΩ

1500 kΩ

13.

A 9.0 Ω resistor and another 9.0 Ω resistor are connected in parallel. What is their combined resistance?

0.5 Ω

2.0 Ω

4.5 Ω

9.0 Ω

14.

Which one of the following resistors connected in parallel with a 24 Ω would give a total resistance of 8 Ω

16 Ω

12 Ω

8 Ω

6 Ω

15.

What is the equivalent or total resistance (R_e) across this circuit?

3 kΩ

10 kΩ

13 kΩ

18 kΩ

16.

Three resistors, with values of 2.0, 4.0 and 8.0 ohms, respectively, are connected in series. What is the overall resistance of this combination?

0.58 ohms

1.1 ohms

7.0 ohms

14.0 ohms

17.

If a circuit has two resistors in series both are 4Ω, what is the total resistance of the circuit?

1Ω

2Ω

4Ω

8Ω

18.

What is the unit of resistance

Ohm

Home

Amp

Camp

19.

If the voltage is increased and the resistance stays the same, current will ____.

Increase

Decrease

Stay the same

Not enough info

20.

If the voltage stays the same and resistance is increased, current will ________.