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Test-Electricity

Total questions: 20

Worksheet time: 24mins

Name
Class
Date
1.
What is current measured in?
a)
Ω (Ohms)
b)
V (Volts)
c)
A (Amps)
d)
W (Watts)
2.
What is resistance measured in?
a)
Ω (Ohms)
b)
V (Volts)
c)
A (Amps)
d)
W (Watts)
3.

What is Resistance?

a)

The flow of electrons

b)

Electric potential difference

c)

The ability to reduce the flow of electrons

d)

A battery

4.
Electricity that flows in a closed path is called a
a)
path
b)
current
c)
circuit
d)
light
5.

Voltage divided by Resistance

(V / R)

a)

Current

b)

Power

c)

Ohms

d)

Watts

6.

Voltage divided by Current

(V / I)

a)

Current

b)

Power

c)

Resistance

d)

Watts

7.
Current times Resistance equals
 (I X R)
a)
Power
b)
Voltage
c)
Amperage
d)
Ohm
8.

What size resistor would produce a 4 Amp current flow with a 12 Volt battery

a)

1 Ohm

b)

3 Ohms

c)

4 Ohms

d)

12 Ohms

9.
How many Volts would it take to push 1 Amp through a resistance of 1 Ohm
a)
10 volts
b)
1 volt
c)
48 volts
d)
5 volts
10.

This circuit has a 24 volt battery and the resistor is 12 ohms. How many amps are running through the circuit?

a)

3 Amps

b)

192 Amps

c)

2 Amps

d)

4 Amps

11.

What is the Voltage of a circuit that has a resistance of 5 Ω and a current of 6 A?

a)

11 V

b)

10 V

c)

30 V

d)

1 V

12.
______________ are materials such as rubber that do not allow charges to flow.
a)
conductors
b)
circuits
c)
insulators
d)
amps
13.
A circuit with only one path for the current to flow is a __________________.
a)
parallel circuit
b)
series circuit
c)
mini circuit
d)
device
14.

A circuit with more than one path for the current to flow is a __________________.

a)

parallel circuit

b)

series circuit

c)

mini circuit

d)

device

15.
Metals such as copper and aluminum are good ______________. 
a)
insulators
b)
conductors
c)
circuits
d)
charges
16.
If you decreases the resistance of a circuit, what happens?
a)
Current decreases
b)
Current increases
c)
Electrons disappear
d)
Bulbs get brighter
17.
If you increase the voltage of a circuit, what happens?
a)
Current decreases
b)
Current increases
c)
Electrons disappear
d)
Bulbs get dimmer
18.

Batteries and power plants are examples of ______________.

a)

energy sources

b)

energy drinks

c)

energy transformation

d)

energy conduction

19.
A complete, unbroken path that charges can flow through is called an __________________.
a)
conductor
b)
electric circuit
c)
electric current
d)
insulator
20.

__________________ is the continuous flow of electric charges through a material.

a)

Electric current

b)

Resistance

c)

Voltage

d)

Static Discharge

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