BASICS OF AC AND ELECTRICAL CABLES - Practice Mode

1) What is the shape of standard wire gauge?

Square metal disk Circular metal disk Cylindrical glass disk Rectangular plastic disk

Correct Answer: Circular metal disk

2) Which electrical quantity is directly proportional to the current carrying capacity of the conductor?

Wire resistance Passing current Conductor s shape Conductor s diameter

Correct Answer: Conductor s diameter

3) Which formula is used to find the conductance?

Q / V I x R V / I I / V

Correct Answer: I / V

4) Which materials are used for semiconductor?

Gallium and indium Silver and aluminium Arsenic and antimony Silicon and germanium

Correct Answer: Silicon and germanium

5) Which metal has very good conductivity of electric current?

Gold Silver Copper Aluminium

Correct Answer: Silver

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