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Worksheets

CA4wk4

Total questions: 15

Worksheet time: 16mins

Name
Class
Date
1.
What will happen when these magnets are brought close together?
a)
They will attract each other.
b)
They will repel each other.
c)
Both magnets will turn to the left
d)
Both magnets will turn to the right
2.

Which two particles are attracted to each other?

a)

Two neutrons

b)

A proton and an electron

c)

Two protons

d)

An electron and a neutron

3.

A balloon is rubbed on a student's head. What occurs because of this?

a)

Charged particles on the balloon are destroyed

b)

Positively charged particles move from head to balloon

c)

Charged particles from the balloon are released into the air

d)

Negatively charged particles move from head to balloon

4.

A point charge (q1) has a magnitude of 3x10-6 C. A second charge (q2) has a magnitude of -1.5x10-6 C and is located 0.12 m from the first charge. Determine the electrostatic force each charge exerts on the other.

a)

-4.52 x 10-3 N

b)

-83 N

c)

-2.81 N

d)

-9 x 103 N

5.

Which is the value of the constant in Coulomb's equation?

a)

ke = 9·10-9

b)

ke = 9.8

c)

ke = 6.67·10-11

d)

ke = 9 ·109

6.

A 5 C and 8 C are 8 m apart. What is the force between them?

a)

5.625 x 109

b)

5.625 x 10-9

c)

4.5 x 1010

d)

4.5 x 10-10

7.

He was the one who formulated a complete mathematical description of electromagnetism based on field equations.

a)

Alessandro Volta

b)

Michael Faraday

c)

James Clerk Maxwell

d)

Andrei Marie Ampere

8.

Every magnet has a:

a)

East and West pole

b)

North and South pole

c)

East and South pole

d)

North and West pole

e)

Chicago and Saint pole

9.
A device that converts mechanical energy into electrical energy
a)
A. electric generator
b)
B. electric motor
c)
C. electromagnetic induction
d)
D. mechanical  generator
10.

A credit card reader decodes what type of recording on the credit card stripe?

a)

laser digital

b)

electrostatic

c)

magnetic

d)

UPC

11.

Which occurrence is due to magnetic force?

a)

getting a shock from a door knob after walking across the carpet

b)

pieces of clothing sticking together after being in a dryer

c)

earth pulling all objects towards its center

d)

the needle of a compass pointing towards Earth's geographical North Pole

12.

What is the name of a medical device that uses resonant frequencies of the magnetic movement of protons placed in a high magnetic field to image tissue inside the human body. This device is known as a (an) --

a)

MCI

b)

CAT scan

c)

PET scan

d)

MRI

13.

What will happen to these two magnets?

a)

nothing

b)

they will attract each other

c)

they will repel each other

14.

It converts Electrical Energy to Mechanical Energy. 

a)

Generator

b)

Elevator

c)

Escalator

d)

Electric motor

15.

He was credited for discovering that electric currents create magnetic fields, which was the first connection found between electricity and magnetism.

a)

James Clerk Maxwell

b)

Hans Christian Ørsted

c)

Michael Faraday

d)

Alessandro Volta