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Electricity: Current

Electricity: Current

Assessment

Presentation

Science, Physics

8th - 11th Grade

Practice Problem

Medium

NGSS.HS-PS2-5, NGSS.HS-PS3-5, CCSS.8.EE.C.7B

+3

Standards-aligned

Created by

Mike Newsome

Used 94+ times

FREE Resource

19 Slides • 22 Questions

1

Electricity: Current

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6

Multiple Choice

Static electricity is:
1
electricity flowing in a wire
2
the buildup of electric charges on an object
3
when protons move between objects

7

Multiple Choice

What is electric current?
1
The flow of electrons
2
The flow of protons
3
The flow of neutrons
4
The flow of atoms

8

Multiple Choice

An example of an insulator is:
1
iron
2
silver
3
copper wire
4
rubber

9

Multiple Choice

An example of a conductor is :
1
a glass paperweight
2
a plastic cap
3
a metal screw
4
a wooden handle

10

Multiple Choice

Current that does NOT reverse direction is called ____. 
1
magnetic current
2
direct current
3
circuit current
4
alternating current

11

Multiple Choice

DC stands for __________ current.

1

deviating

2

default

3

diverging

4

direct

12

Multiple Choice

Current that reverses direction in a regular pattern is called ____. 
1
direct current 
2
circuit current
3
magnetic current
4
alternating current 

13

Multiple Choice

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Which type of current is flowing ?

1

Alternating current

2

Direct current

3

Both

4

None

14

Multiple Choice

Alternating current is produced in most power stations.

1

True

2

False

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24

Multiple Choice

What word means how fast the electrons flow.
1
Current
2
Voltage
3
Resistance
4
Power

25

Multiple Choice

What is current measured in?
1
Ω (Ohms)
2
V (Volts)
3
A (Amps)
4
W (Watts)

26

Multiple Choice

What is Resistance?
1
The flow of electrons
2
Electric potential difference
3
A battery
4
The ability to reduce the flow of electrons

27

Multiple Choice

What is resistance measured in?
1
Ω (Ohms)
2
V (Volts)
3
A (Amps)
4
W (Watts)

28

Multiple Choice

The mathematical relationship among Voltage, Current, and Resistance
1
Faraday's Law
2
Tesla's Law
3
Edison's Law
4
Ohm's Law

29

Multiple Choice

What is the formula for ohms law?

1

1+2=3

2

R X E = I

3

V =I x R

4

E= MC squared

30

Multiple Choice

What is the Voltage of a circuit that has a resistance of 5 Ω and a current of 2 A?
1
25 V
2
10 V
3
2.5 V
4
0.4 V

31

Multiple Choice

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

1

12 V

2

21 V

3

4/3 V

4

3/4 V

32

Multiple Choice

What resistance is needed to cause a 50A current flow because of a 500V battery?
1
10Ώ
2
3
2500Ώ
4
550Ώ

33

Multiple Choice

What voltage is needed to cause a 2A current flow through a 10Ω resistor?
1
5V
2
0.2V
3
20V
4
200V

34

Multiple Choice

What size resistor would produce a 3 Amp current flow with a 12 Volt battery
1
1 Ohm
2
3 Ohms
3
4 Ohms
4
12 Ohms

35

Multiple Choice

What is the resistance of a lightbulb that experiences 9 Volts and 3 amps of current?

1

1/3 ohms

2

3 ohms

3

27 ohms

4

9 ohms

36

Multiple Choice

What is the current in a circuit with 6 ohms of resistance and a battery containing 24 Volts?

1

1/4 A

2

144 A

3

4 A

4

0.4 A

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Electricity: Current

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