Bennett Mechanical Test Electricity and Circuits 3

Question 1

Two 6-ohm resistors are connected in parallel. What is the total resistance?

Accepted Answer

3 ohms

Answer

6 ohms

Answer

12 ohms

Answer

0.5 ohms

Question 2

What is the unit of electrical power?

Accepted Answer

Watt

Answer

Ohm

Answer

Coulomb

Answer

Henry

Question 3

What happens to total resistance when more resistors are added in series?

Accepted Answer

It increases

Answer

It decreases

Answer

It stays the same

Answer

It becomes zero

Question 4

Which component stores electrical charge?

Accepted Answer

Capacitor

Answer

Resistor

Answer

Diode

Answer

Switch

Question 5

What is the power consumed by a device drawing 2 amps at 120 volts?

Accepted Answer

240 watts

Answer

60 watts

Answer

122 watts

Answer

0.0167 watts

Question 6

A diode allows current to flow in how many directions?

Accepted Answer

Only one direction

Answer

Both directions equally

Answer

No directions

Answer

Three directions

Question 7

What is the purpose of a switch in a circuit?

Accepted Answer

To open or close the current path

Answer

To store energy

Answer

To increase voltage

Answer

To measure resistance