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Big Fat electricity quiz of the year

Total questions: 40

Worksheet time: 39mins

Name
Class
Date
1.

This is the symbol for a...

a)

Thermistor

b)

Bulb

c)

Fixed Resistor

d)

Ammeter

2.

This is the symbol for a...

a)

Motor

b)

Ammeter

c)

Bulb

d)

Voltmeter

3.

This is the symbol for a...

a)

Light Dependent Resistor

b)

Light Emitting Diode

c)

Thermistor

d)

Cell

4.

This is the symbol for a...

a)

Light Emitting Diode

b)

Fuse

c)

Fixed Resistor

d)

Variable Resistor

5.

This is the symbol for a...

a)

Bulb

b)

Voltmeter

c)

Ammeter

d)

Motor

6.

This is the symbol for a...

a)

Light Emitting Diode

b)

Light Dependent Resistor

c)

Fuse

d)

Cell

7.

This is the symbol for a...

a)

Fuse

b)

Wire

c)

Light Emitting Diode

d)

Heater

8.

This is the symbol for a...

a)

Wire

b)

Motor

c)

Variable Resistor

d)

Thermistor

9.

This is the symbol for a...

a)

Battery

b)

Thermistor

c)

Motor

d)

Fuse

10.

This is the symbol for a...

a)

Thermistor

b)

Fixed Resistor

c)

Variable Resistor

d)

Fuse

11.

This is the symbol for a...

a)

Fixed Resistor

b)

Variable Resistor

c)

Light Dependent Resistor

d)

Fuse

12.

Why do electricians always wrap wires in plastic?

a)

Plastic comes in many different colors

b)

Plastic is a good electrical conductor

c)

Plastic makes the wires easy to bend

d)

Plastic is a good electrical insulator

13.

Which of these materials is a good conductor of electricity?

a)

Rubber

b)

Metal

c)

Newspaper

d)

Glass

14.

How can it be explained that someone's hair can stick to a balloon?

a)

There is static electricity

b)

There is too much dust in the air

c)

A parallel circuit was too long

d)

The person needs to wash his hair

15.

Opposite charges _______________.

a)

attract

b)

repel

c)

nothing changes

16.

If a charge flows through a resistor, which of the following happens to the resistor?

a)

It gets colder

b)

It gets hotter

c)

It becomes positively charged

d)

Nothing

17.

In a filament lamp, in what form is most of the energy lost?

a)

Heat

b)

Sound

c)

Kinetic energy

d)

Radio waves

18.
In a conductor an electric current is the flow of
a)
water
b)
electrons
c)
protons
d)
neutrons
19.
The charge of an electron is
a)
positive
b)
negative
c)
electrons have no charge
d)
zero
20.
The SI unit of charge is the
a)
Coulomb
b)
Joule
c)
Watt
d)
Newton
21.
Adding an extra bulb in a parallel circuit makes the bulb...
a)
stay the same brightness
b)
get dimmer
c)
get brighter
d)
blow
22.
A material in which electrons are not able to move easily is an
a)
Circuit 
b)
Insulator 
c)
Resistance 
d)
Conductor
23.
measure of electric current
a)
watt
b)
ohm
c)
volt
d)
amp
24.
measure of resistance
a)
watt
b)
ohm
c)
volt
d)
amp
25.
Which formulas represents Ohm's law?
a)
V=IR
b)
R=IV
c)
I=RV
26.
How many volts are in a circuit with a battery that has a resistance of 10 Ohms and a current of 2 Amps? 
a)
.5 Volts
b)
5 Volts
c)
20 Volts
27.
An example of a voltage source is a _____.
a)
voltmeter
b)
battery
c)
resistance
d)
switch
28.
If the battery produced 12.6 Volts and what would be the current flow be for a 6 Ohm resistor
a)
2.1 Amps
b)
2.4 Amps
c)
1.71 Amps
d)
15 Amps
29.
What voltage is needed to cause a 2A current flow through a 10Ω resistor?
a)
5V
b)
0.2V
c)
20V
d)
200V
30.
What resistance is needed to cause a 20A current flow because of a 100V battery?
a)
0.2Ώ
b)
2000Ώ
c)
120Ώ
d)
5Ώ
31.
There are two 10 ohm resistors connected in series, the total resistance is...
a)
10 ohms
b)
20 ohms
c)
15 ohms
d)
100 ohms
32.
If the Voltage stays the same and Resistance is increased, Current will 
a)
Increase
b)
Decrease
c)
Stay the same
d)
Not enough info
33.
The symbol for current is...
a)
C
b)
I
c)
A
d)
V
34.

Increasing the length of a wire...

a)

increases the voltage

b)

decreases the voltage

c)

increases the resistance

d)

decreases the resistance

35.
Voltage is measured in __.
a)
volts.
b)
watts.
c)
coulombs. 
36.
As the resistance of a circuit increases, the current will
a)
increase
b)
decrease
c)
stay the same
37.
Current has units: 
a)
kilowatt·hour 
b)
ampere 
c)
coulomb 
d)
volt 
38.
Which best describes a parallel circuit?
a)
Electricity flows along one pathway.
b)
The flow of electricity comes from one source. 
c)
Electricity flows along more than one pathway. 
d)
The flow of electricity comes from more than one source. 
39.
What kind of circuit is this?
a)
series
b)
parallel
40.

What is the Equation for Charge Flow?

a)

Charge Flow = Current x Time

b)

Charge Flow = Current / Time

c)

Charge Flow = Time / Current

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