Quiz about Electrical Theory 1

Question 1

Voltage is a measurement of electrical _______

Accepted Answer

pressure

Answer

power

Answer

current

Answer

resistance

Question 2

Amps are a measurement of electrical _________________.

Accepted Answer

current

Answer

power

Answer

pressure

Answer

resistance

Question 3

Ohms are a measurement of electrical __________________.

Accepted Answer

resistance

Answer

power

Answer

pressure

Answer

current

Question 4

Total resistance is the sum of all resistors in a _________________ circuit.

Accepted Answer

series

Answer

complex

Answer

parallel

Answer

closed

Question 5

A parallel circuit has 2 branches, and each branch is 20 ohms, the total resistance is _______.

Accepted Answer

10 ohms

Answer

20 ohms

Answer

40 ohms

Answer

15 ohms

Question 6

Amperage is the same at all points in a _________________ circuit.

Accepted Answer

series

Answer

complex

Answer

parallel

Answer

open

Question 7

The formula for calculating current is:

Accepted Answer

I=E/R

Answer

R=E/I

Answer

I=E*R

Answer

W=I*R

Question 8

Which of the following does not effect the resistance in a wire?

Accepted Answer

insulation

Answer

temperature

Answer

diameter

Answer

material

Question 9

A circuit with 12 volts and 4 ohms has a current of ____________.

Accepted Answer

3 amps

Answer

3 ants

Answer

3 voltage drop

Answer

3 watts

Question 10

Fuses are rated in _______________________.

Accepted Answer

amps

Answer

volts

Answer

size

Answer

shape

Question 11

The formula for voltage is:

Accepted Answer

E=I*R

Answer

I=E/R

Answer

E=I/R

Answer

R=E/I

Question 12

There is more than one path for current to flow in a _________ circuit.

Accepted Answer

parallel

Answer

series

Answer

closed

Answer

open

Question 13

The total resistance is smaller than the smallest resistor in a _________ circuit

Accepted Answer

parallel

Answer

complex

Answer

series

Answer

closed

Question 14

If the source voltage is 18, and the amperage is 3, what is the resistance?

Accepted Answer

6 ohms

Answer

9 ohms

Answer

2 ohms

Answer

54 ohms

Question 15

The opposition to electrical flow is called

Accepted Answer

resistance

Answer

amperage

Answer

restricting

Answer

blocking

Question 16

If V = 18, and I = 2, R =

Accepted Answer

9

Answer

36

Answer

16

Answer

20

Question 17

In a 12 volt series circuit with a 4 Ohm, a 3 Ohm, and a 1 Ohm resistor, what is the current?

Accepted Answer

1.5 amps

Answer

8 amps

Answer

5 amps

Answer

4.2 amps

Question 18

The letter V or (E) stand for in Ohms Law

Accepted Answer

electromotive force(voltage)

Answer

electricity

Answer

electro magnetic

Answer

elevator

Question 19

Which of the following is not a good insulator?

Accepted Answer

tin

Answer

glass

Answer

rubber

Answer

plastic

Question 20

In electrical terms, AC stands for

Accepted Answer

alternating current

Answer

air conditioning

Answer

altered current

Answer

all clear

Question 21

Which of the following is the best conductor of electricity?

Accepted Answer

silver

Answer

iron

Answer

copper

Answer

aluminum

Question 22

Electrical pressure is measured in

Accepted Answer

Volts

Answer

Amps

Answer

Watts

Answer

Ohms

Question 23

In a parallel circuit with a 5 ohm resistor a 20 ohm resistor, what is the total resistance?

Accepted Answer

4 Ohms

Answer

100 Ohms

Answer

25 Ohms

Answer

15 Ohms

Question 24

When you connect the meter in line in a circuit, you are testing ______

Accepted Answer

Amperage

Answer

Watts

Answer

Voltage drop

Answer

Resistance

Question 25

When you connect the leads of the meter on either side of a load, you are testing ________.

Accepted Answer

Voltage Drop

Answer

Amperage

Answer

Ohms

Answer

Current flow

Question 26

In a parallel circuit, _______ is always the same.

Accepted Answer

Voltage

Answer

Amperage

Answer

resistance

Answer

Wattage

Question 27

In a series circuit, _______ stays the same.

Accepted Answer

Amperage

Answer

Wattage

Answer

Voltage

Answer

Resistance

Electrical Theory 1

28 questions

Voltage is a measurement of electrical _______

Amps are a measurement of electrical _________________.

Ohms are a measurement of electrical __________________.

Total resistance is the sum of all resistors in a _________________ circuit.

A parallel circuit has 2 branches, and each branch is 20 ohms, the total resistance is _______.

Amperage is the same at all points in a _________________ circuit.

The formula for calculating current is:

When the component is isolated from power, you are testing:

Which of the following does not effect the resistance in a wire?

A circuit with 12 volts and 4 ohms has a current of ____________.

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