Ramsay Test Electrical Knowledge 5

Question 1

What is the result of a short circuit?

Accepted Answer

A sudden large increase in current

Answer

A short bypasses the load, causing very high current to flow.

Question 2

Which material is the best electrical conductor among these?

Accepted Answer

Copper

Answer

Copper is a highly conductive metal used widely in wiring.

Question 3

What does capacitance measure?

Accepted Answer

The ability to store electric charge

Answer

Capacitance is the amount of charge stored per volt, in farads.

Question 4

In an AC waveform, what does RMS voltage represent?

Accepted Answer

The equivalent effective DC heating value

Answer

RMS gives the effective value that produces the same heating as DC.

Question 5

What is the function of a relay?

Accepted Answer

To use a small signal to switch a larger circuit

Answer

A relay is an electrically operated switch controlled by a coil.

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