Free Printable Quizizz#11: Electric Circuits

Worksheets

Quizizz#11: Electric Circuits

Total questions: 50

Worksheet time: 50mins

Name

Class

Date

The symbol represents a ________________ and the long side represents the ________________ side.

cell, positive

cell, negative

battery, positive

battery, negative

What is a circuit?

A rate of charges flow through a cross-sectional area of a wire

A closed path that a current can flow along

A potential difference of 24 V is applied to a 150 resistor. How much current flows through the resistor?

0.15 A

3600 A

6.25 A

0.16 A

This is an example of a _______ circuit

open

series

parallel

square

This is an example of a ______ circuit

Series

Parallel

Open

Dihexihedral

Circuits often include a _____________ to control the flow of current.

switch

conductor

voltage

current

When more branches are added to a parallel circuit, ____________________.

resistance decreases

voltage increases

nothing changes

Which is the right form of Ohm's Law?

V=I/R

V=R/I

I=V/R

I=R/V

What is not needed in order to create a working circuit?

battery (power source)

lightbulb

current

closed circuit

10.

What is the voltage of a circuit with 4 ohms of resistance and 3 amps of current?

12 V

21 V

4/3 V

3/4 V

11.

Why isn't this a functioning electrical circuit when the switch is closed?

there is no conductive path (wires that complete the path back to the battery)

there is no electrical resistance (devices to do work)

there is no electrical potential (power source)

the motor is on the wrong side

12.

In a series circuit, the current...

is different for each resistor

is equal to zero

is the same for each resistor

is equal to the power

13.

In a parallel circuit, the voltage...

is different for each resistor

is the same for each resistor

is equal to the sum of each voltage

is equal to zero

14.

The formula to find the equivalent resistance in a series circuit is...

15.

The formula to find the equivalent resistance in a parallel circuit is...

16.

The equivalent resistance of the following circuit is...

9.23 Ω

90 Ω

60 Ω

70 Ω

17.

Resistance is measured in ___.

watts.

amps.

ohms.

18.

Voltage is measured in __.

volts.

watts.

coulombs.

19.

Current is measured in....

Amps

Volts

Ohms

Coulombs

20.

The flow of electricity

current

energy

electricity

21.

Copper is used in wiring because it is an excellent______________ of electricity.

circuit breaker

conductor

insulator

fuse

22.

How do you calculate voltage?

Current X Resistance

Resistance ÷ Current

Current ÷ Resistance

Measure it with a ruler

23.

How do you calculate current

Resistance X Voltage

Voltage X Resistance

Resistance ÷ Voltage

Voltage ÷ Resistance

24.

What voltage is needed to cause a 2A current flow through a 10Ω resistor?

0.2V

20V

200V

25.

What resistance is needed to cause a 50A current flow because of a 500V battery?

10Ώ

5Ώ

2500Ώ

550Ώ

26.

Which best describes a parallel circuit?

Electricity flows along one pathway.

The flow of electricity comes from one source.

Electricity flows along more than one pathway.

The flow of electricity comes from more than one source.

27.

Which best describes a series circuit?

It has two light bulbs.

The same current flows through both light bulbs.

It uses a single battery.

The current is divided between the light bulbs.

28.

What kind of circuit is this?

series

parallel

29.

Ohm's law states that:

V=IR

V=I/R

V=R/I

V=I+R

30.

What slows down the flow of electricity in a circuit?

Current (A)

Voltage (V)

Resistance (Ω)

31.

What happens to the current as the resistance increases?

Current increases

Current decreases

Current stays the same.

32.

What happens to the current as the voltage increases?

Current increases

Current decreases

Current stays the same.

33.

Where does voltage come from?

Conductor

Power Source

Output Device (Load)

34.

Which switch or switches must be closed to make the lamps light?

Only switch 1

Switches 1 and 2

Switches 2 and 3

Switches 1, 2 and 3

35.

If you replace the paper clip with a plastic spoon, what happens?

The bulb doesn't light

The bulb is dimmer

The wires get hot

There is no change

36.

This is the circuit symbol for ...

an AC current source

a DC current source

an ammeter

a voltmeter

37.

This is the circuit symbol for ...

an AC current source

a DC current source

an ammeter

a voltmeter

38.

This is the circuit symbol for ...

an AC current source

a DC current source

a battery

a single cell

39.

The total resistance in this circuit is

100 ohms

450 ohms

400 ohms

30 ohms

40.

As resistors are added in series to a circuit, the total resistance will...

increase

decrease

stay the same

41.

Which of the following is NOT a formula for calculating the electrical power dissipated by a resistor in a circuit?

$P\ =\ VI$

$P\ =\ \frac{V^2}{R}$

$P\ =\ \frac{I^2}{R}$

$P\ =\ I^2R$

42.

Calculate the current (I) going through this circuit when the voltage (V) is 9.0 volts and the resistance (R) of the resistor is 3 ohms.

Use the formula I = V/R. I = 9.0 volts / 3 ohms = ??? amps or amperes

1 amp

2 amps

3 amps

4 ampls

43.

Calculate the current (I) going through this circuit when the voltage (V) is 9.0 volts and the resistance (R) of the resistor is 3 ohms.

Use the formula I = V/R. I = 9.O volts / 3 ohms = ??? amps or amperes

1 amp

3 amps

5 amps

7 ampls

44.

Calculate the current (I) going through this circuit when the voltage (V) is 8.0 volts and the resistance (R) of the resistor is 2 ohms.

Use the formula I = V/R. I = 8.0 volts / 2 ohms = ??? amps or amperes

1 amp

4 amps

5 amps

7 ampls

45.

Calculate the current (I) going through this circuit when the voltage (V) is 12.0 volts and the resistance (R) of the resistor is 6 ohms.

Use the formula I = V/R. I = 12.0 volts / 6 ohms = ??? amps or amperes

1 amp

2 amps

3 amps

4 ampls

46.

Calculate the voltage (V) going through this circuit when the current (I) is 2 amps and the resistance (R) of the resistor is 6 ohms.

Use the formula V = IR. I = 2.0 amps x 6 ohms = ??? volts

6 volts

8 volts

10 volts

12 volts

47.

Calculate the voltage (V) going through this circuit when the current (I) is 2 amps and the resistance (R) of the resistor is 5 ohms.

Use the formula V = IR. I = 2.0 amps x 5 ohms = ??? volts

6 volts

8 volts

10 volts

12 volts

48.

Calculate the voltage (V) going through this circuit when the current (I) is 2 amps and the resistance (R) of the resistor is 5 ohms.

Use the formula V = IR. I = 2.0 amps x 5 ohms = ??? volts

6 volts

8 volts

10 volts

12 volts

49.

Calculate the voltage (V) going through this circuit when the current (I) is 1 amp and the resistance (R) of the resistor is 5 ohms.

Use the formula V = IR. I = 1.0 amp x 8 ohms = ??? volts

6 volts

8 volts

10 volts

12 volts

50.

Calculate the voltage (V) going through this circuit when the current (I) is 1.5 amps and the resistance (R) of the resistor is 4 ohms.

Use the formula V = IR. I = 1.5 amps x 4 ohms = ??? volts

6 volts

8 volts

10 volts

12 volts

100 %

Quizizz#11: Electric Circuits

Total questions: 50

Worksheet time: 50mins

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