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Electric Circuits Quiz

Total questions: 20

Worksheet time: 3600secs

Name
Class
Date
1.

Which particle from an atom moves to create an electric current?

a)

proton

b)

neutron

c)

electron

d)

oxygen

2.

True or False-Like charges attract and unlike charges repel.

a)

True

b)

False

3.

Electron charge is _________ and proton charge is _________.

a)

positive, negative

b)

negative, positive

c)

negative, neutral

d)

neutral, positive

4.

In a battery, ________ energy is converted to _________ energy.

a)

chemical, electrical

b)

electrical, chemical

c)

mechanical, chemical

d)

chemical, vacuum

5.

The unit of voltage is the ____________.

a)

coulomb

b)

amp

c)

Ohm

d)

volt

6.

The unit of current is the ___________.

a)

coulomb

b)

amp

c)

Ohm

d)

volt

7.

The unit of resistance is the ____________.

a)

coulomb

b)

amp

c)

Ohm

d)

volt

8.

Voltage, current, and resistance follow a rule known as ____________.

a)

Ohm's Law

b)

Hund's Rule

c)

Auffbau Principle

d)

the Golden Rule

9.

Recording music (sound) onto a digital file requires

a)

converting a voltage value (amplitude) into binary code.

b)

converting binary code into a voltage value (amplitude).

c)

positive voltage values only.

d)

negative voltage values only.

10.

A control device for an electric circuit is a ____________.

a)

resistor

b)

switch

c)

voltmeter

d)

light

11.

A ____________ is used to limit or restrict current flow.

a)

fuse

b)

switch

c)

voltmeter

d)

resistor

12.

True or False-An electrical circuit must have a voltage source and a load (resistance).

a)

True

b)

False

13.

The amount of current flowing through an electric circuit is determined by

a)

F = ma

b)

I = V/R

c)

c = υλ\upsilon\lambda

d)

PV = nRT

14.

In a series circuit

a)

electrons don't move.

b)

current flows with an open switch.

c)

total resistance equals the sum of all the resistors in the circuit.

d)

there are multiply pathways for electrons to flow.

15.

In a parallel circuit

a)

electrons have only one pathway to follow.

b)

total resistance is lower than the individual resistances.

c)

current flows with an open switch.

d)

current stops with a closed switch

16.

A _________________ supplies power if the voltage is momentarily interrupted.

a)

capacitor

b)

resistor

c)

fuse

d)

ground

17.

A volt is a/an

a)

potential difference between two points on an electrical circuit.

b)

charge on an electron.

c)

rate of current flow through an electrical circuit.

d)

opposition to current flow through an electrical circuit.

18.

An electrical load is

a)

a weight being carried by electricians.

b)

the amount of horsepower in an electric engine.

c)

any resistance element connected to a electrical circuit.

d)

taking more than four classes a semester (college joke).

19.

When the voltage across a resister is doubled, the current will _____________. (Hint: I = V/R)

a)

triple

b)

halve

c)

double

d)

not change

20.

When the resistance in a circuit is doubled, the current will ____________. (Hint: I = V/R)

a)

triple

b)

halve

c)

double

d)

not change