CEA - Certified Electrical Apprentice Basic Electrical Theory Questions and Answers

Question 1

According to Ohm's Law, what happens to the current in a circuit if the voltage is doubled while the resistance remains constant?

Accepted Answer

It is doubled.

Answer

It is halved.

Answer

It remains the same.

Answer

It becomes zero.

Question 2

An apprentice is tasked with wiring a circuit containing three resistors. If the goal is to have the same voltage across each resistor, which type of circuit configuration should be used?

Accepted Answer

A parallel circuit

Answer

A series circuit

Answer

A series-parallel circuit

Answer

An open circuit

Question 3

Which of the following materials is considered a good electrical insulator?

Accepted Answer

Rubber

Answer

Copper

Answer

Aluminum

Answer

Silver

Question 4

A 120-volt circuit powers a heater with a resistance of 12 ohms. How much power does the heater consume?

Accepted Answer

1200 watts

Answer

10 watts

Answer

1440 watts

Answer

12 watts

Question 5

In a simple series circuit, what is the total resistance if it contains three resistors with values of 10Ω, 20Ω, and 30Ω?

Accepted Answer

60Ω

Answer

10Ω

Answer

5.45Ω

Answer

110Ω

Question 6

The flow of electrons through a conductor is known as:

Accepted Answer

Current

Answer

Voltage

Answer

Resistance

Answer

Power