Mechanical Aptitude Mechanical Aptitude Basic Electrical Circuits Questions and Answers 2

Question 1

In a parallel circuit with three identical resistors, what happens to the total resistance compared to a single resistor?

Accepted Answer

It becomes one-third of a single resistor

Answer

It triples

Answer

It stays the same

Answer

It doubles

Question 2

A 9-volt battery is connected to a 3-ohm resistor. What is the current flowing through the circuit?

Accepted Answer

3 amps

Answer

6 amps

Answer

27 amps

Answer

0.33 amps

Question 3

Which component stores electrical energy in an electric field?

Accepted Answer

Capacitor

Answer

Inductor

Answer

Resistor

Answer

Transformer

Question 4

What is the unit of measurement for electrical power?

Accepted Answer

Watt

Answer

Volt

Answer

Ampere

Answer

Ohm

Question 5

In a series circuit, if one light bulb burns out, what happens to the other bulbs?

Accepted Answer

All other bulbs go out

Answer

The remaining bulbs get brighter

Answer

Nothing changes

Answer

The remaining bulbs dim slightly

Question 6

What does a fuse do in an electrical circuit?

Accepted Answer

Breaks the circuit when current exceeds a safe level

Answer

Increases voltage output

Answer

Stores excess electrical charge

Answer

Converts AC to DC power