Electronic Principles
Which one of the following statements best describes magnetic hysteresis?

Hysteresis is most apparent when a steady amount of current is lowing through the coil of an electromagnet
Hysteresis is the amount of magnetic flux that is not confined to the core material of an electromagnet
Hysteresis is most apparent when the current through the coil of an electromagnet changes frequently
None of these
Hysteresis is most apparent when the core material is saturated

ANSWER DOWNLOAD EXAMIANS APP

Electronic Principles
The dielectric constant of a material is a measure of:

how well the material concentrates magnetic lines of force
how well the material concentrates electrostatic lines of force
None of these
the amount of voltage it can withstand before breaking down
the amount of opposition to the current flow

ANSWER DOWNLOAD EXAMIANS APP