Ramsay Test Electrical 2

Question 1

What is the total resistance of two 10-ohm resistors connected in parallel?

Accepted Answer

5 ohms

Answer

10 ohms

Answer

20 ohms

Answer

0.5 ohms

Question 2

Which device protects a circuit by melting when current exceeds a rated value?

Accepted Answer

Fuse

Answer

Capacitor

Answer

Relay

Answer

Transformer

Question 3

In a purely resistive AC circuit, the voltage and current are:

Accepted Answer

In phase

Answer

90 degrees out of phase

Answer

180 degrees out of phase

Answer

45 degrees out of phase

Question 4

What unit measures electrical power?

Accepted Answer

Watt

Answer

Volt

Answer

Ampere

Answer

Ohm

Question 5

A step-down transformer has more turns on which winding?

Accepted Answer

Primary

Answer

Secondary

Answer

Both equal

Answer

Neither has turns

Question 6

What is the purpose of a grounding conductor?

Accepted Answer

Provide a safe path for fault current

Answer

Increase circuit voltage

Answer

Store electrical energy

Answer

Reduce wire resistance

Question 7

Doubling the voltage across a fixed resistor will:

Accepted Answer

Double the current

Answer

Halve the current

Answer

Quadruple the current

Answer

Not change the current