Free Printable Current and Circuits 3

Worksheets

Current and Circuits 3

Total questions: 20

Worksheet time: 11mins

Name

Class

Date

What kind of circuit is this?

Series

Consecutive

Parallel

Training

What kind of circuit is this?

series

parallel

What size resistor would produce a 3 Amp current flow with a 12 Volt battery

1 Ohm

3 Ohms

4 Ohms

12 Ohms

What is the power of a 10V bulb with 5A through it?

50W

50A

12 Volt battery with two resistors in series 3 Ohms & 4 Ohms what would the current draw be

2.1

1.71 Amps

2.4 Amps

15 Amps

What is Ohm's Law?

V=W/Q

Voltage cannot be destroyed

V=IR

V = m dot * Ve + (pe - p0) * Ae

If resistance increases, what does current do?

current stays the same

current increases

current decreases

there will be no current

what is the power of a lamp whose current is 6 A and the voltage across it is 120 V?

120 W

720 W

16 W

10 W

How much current does this circuit have?

4 A

20 A

5 A

25 A

10.

Total resistance in a series circuit

R_{t =}R₁ + R₂+ R₃ ...

1/R_{t =}1/R₁ + 1/R_{2 ...}

R_t= R₁X R₂/ R₁ + R_{2 ...}

R_t= R_N/ R_V

11.

What is the total resistance of a 5 ohm, 10 ohm, and 15 ohm resistor hooked up in SERIES?

10 ohms

0.5 ohms

30 ohms

2.7 ohms

12.

How much CURRENT does a 1200 W bread maker draw from a 110 V outlet?

132000 amps

0.09 amps

1200 amps

10.9 amps

13.

DC current is found in _______, which means the current flows in ________ direction

Batteries, one

Wall outlet, one

Batteries, both

Wall outlet, both

14.

A motor with a resistance of 80Ω is connected to a voltage source. The current is 2.5 A. What is the voltage of the source?

200V

32V

82.5V

80V

15.

What is this symbol for?

light bulb

switch

battery

resistor

16.

Clara added another light to an electrical circuit and all the lights became dimmer. What is the most likely cause of the dimmer lights?

The batteries are weak.

The light bulbs are hot.

The circuit is a parallel circuit.

The circuit is a series circuit.

17.

What is the equivalent resistance in this circuit?

1.5 Ohms

12 Ohms

19 Ohms

25 Ohms

18.

A 9.0 volt battery delivers a 0.50A current to a bulb connected across its terminals. What power is delivered to the bulb?

0.056 W

4.5 W

18 W

41 W

19.

What is the potential difference, in volts, required to pass a current of 3.0 A through a resistor of 6.0 Ohms?

2.0 V

3.0 V

12 V

18 V

20.

What is the unit for electrical power?

meter

decibal

watt

Reset

Current and Circuits 3

Total questions: 20

Worksheet time: 11mins

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