BASICS OF AC AND ELECTRICAL CABLES - Practice Mode

1) Which electrical parameter opposes the flow of electrons?

Power Voltage Current Resistance

Correct Answer: Resistance

2) How the single strand wire is called?

Flexible wire Twisted wire Hook up wire Multi strand wire

Correct Answer: Hook up wire

3) What is the purpose of covering provided over the electrical conductor?

Increase current flow Reduce current flow Decrease voltage rating Protection against weather

Correct Answer: Protection against weather

4) Which cores are used in intermediate frequency transformers?

Steel Nickel Cobalt Ferrite

Correct Answer: Ferrite

5) Which material conducts electricity?

Mica Paper Glass Copper

Correct Answer: Copper

Explanation:

Key Properties of Copper
Excellent heat conductivity.
Excellent electrical conductivity.
Good corrosion resistance.
Good biofouling resistance.
Good machinability.
Retention of mechanical and electrical properties at cryogenic temperatures.
Non-magnetic

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