Mechanical Aptitude Basic Electrical Circuits Questions and Answers 2

Question 1

In a parallel circuit with three resistors of 10Ω, 20Ω, and 30Ω, which resistor carries the most current?

Accepted Answer

The 10Ω resistor

Answer

The 20Ω resistor

Answer

The 30Ω resistor

Answer

All carry equal current

Question 2

What happens to the total resistance in a circuit when you add another resistor in parallel?

Accepted Answer

Total resistance decreases

Answer

Total resistance increases

Answer

Total resistance stays the same

Answer

Total resistance doubles

Question 3

A 12V battery is connected to a series circuit with two resistors. If the voltage drop across the first resistor is 8V, what is the voltage across the second resistor?

Accepted Answer

4V

Answer

8V

Answer

12V

Answer

20V

Question 4

Which component in a circuit stores energy in an electric field?

Accepted Answer

Capacitor

Answer

Resistor

Answer

Inductor

Answer

Transistor

Question 5

What is the unit of electrical resistance?

Accepted Answer

Ohm

Answer

Ampere

Answer

Volt

Answer

Watt

Question 6

In a circuit, what does a fuse protect against?

Accepted Answer

Excessive current

Answer

Low voltage

Answer

Static electricity

Answer

Power surges only