IBEW IBEW Aptitude Test Electrical Fundamentals Questions and Answers

Question 1

What is the unit of electrical resistance?

Accepted Answer

Ohm

Answer

Ampere

Answer

Volt

Answer

Watt

Question 2

Ohm's Law states that voltage (V) equals:

Accepted Answer

Current × Resistance

Answer

Current ÷ Resistance

Answer

Power × Time

Answer

Resistance ÷ Current

Question 3

In a series circuit with resistors of 10Ω and 20Ω, what is the total resistance?

Accepted Answer

30Ω

Answer

10Ω

Answer

6.67Ω

Answer

200Ω

Question 4

What is the unit of electrical current?

Accepted Answer

Ampere

Answer

Volt

Answer

Ohm

Answer

Watt

Question 5

Which material is the best conductor of electricity among these options?

Accepted Answer

Copper

Answer

Rubber

Answer

Plastic

Answer

Wood

Question 6

What device is used to measure voltage in an electrical circuit?

Accepted Answer

Voltmeter

Answer

Ammeter

Answer

Wattmeter

Answer

Ohmmeter