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Worksheets

Magnetism/Electricity

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

What is the unit for current?

a)

Watts

b)

Amps

c)

Teslas

d)

Meters

2.

What is the equation for magnetic field strength?

a)

B = μ x n x I

b)

B = μ x n /I

c)

B = μ x G x F

d)

B = μ x m x a

3.

How can you increase the magnetic field strength?

a)

Decrease the number of coils

b)

Decrease the distance of the solenoid

c)

Decrease the current

d)

All of the Above

4.

What can a magnetic field induce?

a)

A gravitational field

b)

Nothing

c)

An electric current

d)

All of the Above

5.

What was not needed to make an electromagnet?

a)

Coil

b)

Battery

c)

Magnet

d)

Nail

6.

What happens to the magnetic field strength when you increase the current?

a)

You increase the magnetic field stength

b)

You decrease the magnetic field strength

c)

Nothing changes about the magnetic field strength

d)

There is not enough information to know.

7.

What is the flow of electrons?

a)

Coils

b)

Current

c)

Magnetic Field Strength

d)

Distance

8.

What is an example of an Electric Current inducing a Magnetic Field?

a)

The shake flashlight

b)

Moving a magnet through coils

c)

Making an electromagnet

d)

Light Switch in our classroom

9.

What are the lines that leave the north pole of a magnet and go to the south pole called?

a)
Magnetic force lines
b)
Magnetic flux lines
c)
Magnetic attraction lines
d)
Magnetic field lines
10.

What is the magnetic field strength when there are 100,000 coils and 0 amps?

a)
1,000
b)
0
c)
10,000
d)
100,000