Ramsay Test Electrical Knowledge 3

Question 1

What is the frequency of standard AC power in the United States?

Accepted Answer

60 Hz

Answer

Standard US line power alternates at 60 cycles per second.

Question 2

What component stores energy in an electric field?

Accepted Answer

Capacitor

Answer

A capacitor stores charge as energy in an electric field between plates.

Question 3

Ohm's law states that voltage equals current multiplied by what?

Accepted Answer

Resistance

Answer

Ohm's law is V = I × R.

Question 4

What does a multimeter set to the continuity setting tell you?

Accepted Answer

Whether a complete path exists between two points

Answer

Continuity confirms a low-resistance connected path, often with a beep.

Question 5

Which type of motor is most commonly used for large industrial AC applications?

Accepted Answer

Three-phase induction motor

Answer

Three-phase induction motors are rugged and efficient for industrial loads.

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