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Introduction to Basic Electricity

Total questions: 16

Worksheet time: 24mins

Name
Class
Date
1.

A negatively charged particle ____________________

a)

possesses more protons than electrons

b)

possesses more electrons than protons

c)

has equal numbers of protons and electrons

2.

The circuit shown on the picture above is an example of a /an _______

a)

Closed Circuit

b)

Open Circuit

3.

What can we do to make this circuit pictured a "closed circuit" so the bulb lights up?

a)

connect wire to the terminal

b)

disconnect the wire from the lightbulb

c)

screw in the lightbulb

d)

replace the battery

4.

What is the energy source for this circuit?

a)

Battery

b)

Electric socket

c)

Wires

d)

Light Bulb

5.
) What would happen if an extra battery cell is added?
a)
A)The lights will glow dim
b)
The wire will glow
c)
The lights will glow brighter
d)
None of the above
6.
A flow of electrons through a conductor is called:
a)
A river
b)
A spark
c)
An electron flow
d)
A current
7.
To complete a circuit the switch must be
a)
unattached
b)
open
c)
closed
8.

The unit to measure power

a)

watt

b)

ohm

c)

volt

d)

ampere

9.

The measure of electrical resistance

a)

watt

b)

ohm

c)

volt

d)

ampere

10.

The unit for electric current

a)

watt

b)

ohm

c)

volt

d)

ampere

11.
What does the switch do in a circuit?
a)
It supplies the power.
b)
It carries electricity.
c)
It opens and closes the circuit.
d)
It is an insulator.
12.

Sub atomic particles that have a negative charge

a)

protons

b)

neutrons

c)

electrons

d)

circuits

13.

Electric current is the flow of ______________________

a)

electrons

b)

protons

c)

neutrons

d)

atoms

14.

(Look at picture for question)

a)

A device that restricts or opposes the flow of electrons

b)

A device that allows easy flow of electrons

c)

A device that can be used as a battery

d)

A device that measures electric current

15.

A 1.5 volt battery will give 1 coulomb of charge how many joule(s) of energy?

a)

1.5 Joules of energy

b)

0.2 Joules of energy

c)

1 Joule of energy

d)

0 joule of energy

16.

What form of energy is stored in a battery?

a)

chemical energy

b)

gravitational potential energy

c)

kinetic energy

d)

thermal energy