ELEX 05

The permeability of a core material is an indication of the ability of the material to establish a magnetic field

• True

• False

• both A and B

• none of these

X_L is directly proportional to frequency and inductance.

• True

• False

• both A and B

• none of these

An induced voltage is produced as a result of a dc voltage

• True

• False

• both A and B

• none of these

Faraday's law states that relative motion between a magnetic field and a coil induces a voltage across the coil

• True

• False

• both A and B

• none of these

Inductance is the property of an inductor that produces an opposition to any change in current

• True

• False

• both A and B

• none of these

All coil cores are made of iron

• True

• False

• both A and B

• none of these

Inductance is indirectly proportional to the square of the number of turns, the permeability, and the cross-sectional area of the core

• True

• False

• both A and B

• none of these

Inductors add in parallel

• True

• False

• both A and B

• none of these

Energy is stored by an inductor in an electrostatic field

• True

• False

• both A and B

• none of these

The term choke is more commonly used in connection with an inductor used to block off high frequencies

• True

• False

• both A and B

• none of these