Mechanical Aptitude Mechanical Aptitude Basic Electrical Circuits Questions and Answers 3

Question 1

Which material is the best conductor of electricity?

Accepted Answer

Copper

Answer

Rubber

Answer

Glass

Answer

Wood

Question 2

Two resistors of 4 ohms and 6 ohms are connected in series. What is the total resistance?

Accepted Answer

10 ohms

Answer

2.4 ohms

Answer

24 ohms

Answer

5 ohms

Question 3

What happens to current in a circuit if the voltage is doubled while resistance stays the same?

Accepted Answer

Current doubles

Answer

Current is halved

Answer

Current stays the same

Answer

Current quadruples

Question 4

Which device is used to measure the current flowing through a circuit?

Accepted Answer

Ammeter

Answer

Voltmeter

Answer

Ohmmeter

Answer

Wattmeter

Question 5

What is the function of a diode in an electrical circuit?

Accepted Answer

Allows current to flow in only one direction

Answer

Amplifies the signal

Answer

Stores electrical energy

Answer

Measures resistance

Question 6

If a 120-volt circuit draws 10 amps, how much power is being consumed?

Accepted Answer

1,200 watts

Answer

12 watts

Answer

1,300 watts

Answer

130 watts