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BEEE Pre-test Assessment

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.
The difference in electrical potential energy between two places is called
a)
resistance
b)
friction
c)
induction
d)
voltage
2.

Which one is a series circuit?

a)
b)
c)
d)
3.

Which one is a parallel circuit?

a)
b)
c)
d)
4.

What is the unit used for voltage?

a)

Ampere

b)

Ohm

c)

Volt

d)

Meter

5.

Voltage can be measured using ............

a)

ammeter

b)

light bulb

c)

resistor

d)

voltmeter

6.

What are insulators?

a)

materials that let electrical current to flow freely through it

b)

materials that do not let electrical current to flow freely through it

c)

materials that cannot be heated

d)

materials that take shorter time to be heated

7.

What are some examples of insulators?

a)

rubber

b)

wood

c)

iron

d)

plastic

8.

In a _____ circuit, if one light bulb goes out, all light bulbs will go out.

a)

parallel

b)

series

c)

partial

d)

closed

9.

The rate of flow of electrons in a conductor is referred to as...

a)

series circuit

b)

battery voltage

c)

electric current

d)

conduction electrons

10.

Select all the representations of Ohm's Law.

a)

V = IR

b)

I = V/R

c)

Current = Battery Voltage

/Resistance

d)

I = R/V

11.

If a transformer reduces voltage, it is called a....................... transformer.

a)

step left

b)

step right

c)

step up

d)

step down

12.

The transformer is a device used to .......... the value of a voltage.

a)

steady

b)

resist

c)

change

d)

anchor

13.

Why transformers work with A.C. current but not D.C.

a)

A.C current produces changing magnetic field.

b)

D.C current produces changing magnetic field.

c)

D.C current is weak

d)

A.C current is powerful

14.

What does the thumb indicate in flemings left hand rule?

a)

Force

b)

Motion

c)

Current

d)

Magnetic field direction

15.

Which of these forces works only by combining electric and magnetic forces?

a)

Magnetic

b)

Electric

c)

Electromagnetism

16.

What happens if the diode is in forward-biased mode?

a)

Current can flow

b)

Current cannot flow

c)

Voltage can flow

d)

Voltage cannot flow

17.

Does the diode has any terminal?

a)

Yes

b)

No

18.

Materials which can conduct electricity better than insulator,but not as well as conductors. This is the definition of

a)

diode

b)

semiconductor

c)

conductor

d)

insulator

e)

superconductor

19.

If you apply sufficient force to a rigid object, it will

a)

break

b)

change shape temporarily

c)

change shape permanently

20.

If a ball is rolling on the grass, it will slow down and stop because of

a)

water resistance

b)

speed

c)

friction