Mechanical Aptitude Test Mechanical Aptitude Basic Electrical Circuits 1

Question 1

In a series circuit with three resistors of 4 ohms, 6 ohms, and 10 ohms, what is the total resistance?

Accepted Answer

20 ohms

Answer

6.7 ohms

Answer

10 ohms

Answer

4 ohms

Question 2

A circuit has a voltage of 12 volts and a current of 2 amperes. What is the resistance?

Accepted Answer

6 ohms

Answer

24 ohms

Answer

10 ohms

Answer

14 ohms

Question 3

Which of the following best describes a conductor?

Accepted Answer

A material that allows electrons to flow freely

Answer

A material that blocks the flow of electrons

Answer

A material that stores electrical charge

Answer

A material that converts electricity to light

Question 4

What happens to current in a series circuit if one component burns out (open circuit)?

Accepted Answer

Current stops flowing through the entire circuit

Answer

Current doubles in the remaining components

Answer

Current flows only through the burned-out component

Answer

Current remains the same in all other components

Question 5

A light bulb is rated at 60 watts and operates on 120 volts. What current does it draw?

Accepted Answer

0.5 amperes

Answer

2 amperes

Answer

7200 amperes

Answer

60 amperes

Question 6

Which component in a circuit is designed to protect against excessive current by breaking the circuit?

Accepted Answer

Fuse

Answer

Capacitor

Answer

Resistor

Answer

Transformer