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Electricity

Total questions: 40

Worksheet time: 49mins

Name
Class
Date
1.
What is a closed path for electrons to flow through?
a)
static electricity
b)
circuit
c)
amperes
2.
Lightning is an example of _________.
a)
static electricity
b)
current electricity
c)
watts
d)
voltage
3.
Identify the conductor below.
a)
cloth rag
b)
plastic bottle
c)
gold ring
4.
Identify the insulator below.
a)
aluminum foil
b)
paperclip
c)
rubber eraser
5.
Electrons have ___ charge. 
a)
no
b)
negative
c)
positive
6.
Protons have ___ charge.
a)
no
b)
positive
c)
negative
7.
Two things with opposite charges will
a)
attract one another.
b)
repel one another.
8.
Two like charges:
a)
 neutralize each other.
b)
repel each other. 
c)
must be neutrons. 
d)
attract each other.
9.

Which of the answer choices is the best conductor of electricity?

a)

Aluminum

b)

Silver

c)

Copper

d)

Iron

10.

In a series circuit like this, devices ___.

a)

are either ALL ON or ALL OFF

b)

can be turned on or off individually

11.

If the top bulb goes out,

a)

All the bulbs go out

b)

The other bulbs get dimmer

c)

There is no effect on the other bulbs

d)

The other bulbs get brighter

12.

Devices in a series circuit receive

a)

Equal current but different voltage

b)

Equal voltage but different current

c)

Equal voltage and equal current

d)

different voltage and different current

13.

What kind of circuit has only one path?

a)

current circuit

b)

series circuit

c)

parallel circuit

d)

short circuit

14.

What kind of circuit has more than one path?

a)

current circuit

b)

series circuit

c)

parallel circuit

d)

short circuit

15.

What do we call the path on which electricity flows?

a)

switch

b)

wave

c)

current

d)

circuit

16.
what is this symbol for?
a)
light bulb
b)
switch
c)
battery
d)
resistor
17.

Where is the resistor located on this diagram?

a)

A

b)

C

c)

D

d)

B

18.
This is an example of a _______ circuit
a)
open
b)
series
c)
parallel
d)
square
19.
This is an example of a ______ circuit
a)
Series
b)
Parallel
c)
Open
d)
Dihexihedral
20.
What kind of circuit is this?
a)
Series
b)
Consecutive
c)
Parallel
d)
Training
21.
What kind of circuit is this?
a)
Series
b)
Consecutive
c)
Parallel
d)
Training
22.

As more resistors are added in series to a constant voltage source, the power supplied by the source

a)

increases.

b)

decreases.

c)

does not change.

d)

increases for a time and then starts to decrease.

23.
What is current measured in?
a)
Ω (Ohms)
b)
V (Volts)
c)
A (Amps)
d)
W (Watts)
24.
What is resistance measured in?
a)
Ω (Ohms)
b)
V (Volts)
c)
A (Amps)
d)
W (Watts)
25.
What is Resistance?
a)
The flow of electrons
b)
Electric potential difference
c)
A battery
d)
The ability to reduce the flow of electrons
26.
What size resistor would produce a 3 Amp current flow with a 12 Volt battery
a)
1 Ohm
b)
3 Ohms
c)
4 Ohms
d)
12 Ohms
27.
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
28.
This circuit has a 24 volt battery and the resistor is 8 ohms. How many amps are running through the circuit?
a)
3 Amps
b)
192 Amps
c)
2 Amps
d)
4 Amps
29.
What is the Voltage of a circuit that has a resistance of 5 Ω and a current of 2 A?
a)
25 V
b)
10 V
c)
2.5 V
d)
0.4 V
30.
What is this symbol?
a)
resistor
b)
switch
c)
battery
d)
bulb
31.

How much current is flowing through this circuit?

a)

0.35 amps

b)

0.0286 amps

c)

0 amps

d)

9 amps

32.
The total resistance in this circuit is 
a)
100 ohms
b)
450 ohms
c)
400 ohms
d)
30 ohms
33.
The total current through this circuit is
a)
0.02 amps
b)
0.09 amps
c)
50 amps
d)
9 amps
34.
Unit for resistance
a)
Ampere
b)
Ohm
c)
Volt
d)
Watt
35.
If the Voltage is increased and the resistance stays the same, Current will
a)
Increase
b)
Decrease
c)
Stay the same
d)
X
36.
If the Voltage stays the same and Resistance is increased, Current will 
a)
Increase
b)
Decrease
c)
Stay the same
d)
X
37.
This circuit has a 24 volt battery and the resistor is 8 ohms. How many amps are running through the circuit?
a)
3 Amps
b)
192 Amps
c)
2 Amps
d)
4 Amps
38.

A material through which electrons do NOT flow easily is a(n) ______.

a)

insulator

b)

conductor

c)

fuse

d)

circuit breaker

39.
Lightning is an example of _________.
a)
static electricity
b)
current electricity
c)
watts
d)
voltage
40.
The potential difference that causes charges to move in a circuit is ___.
a)
voltage
b)
resistance
c)
current
d)
electric discharge

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