Electronic Principles
The total inductive reactance of a parallel inductor circuit is:

equal to the sum of the individual inductance values
less than the inductance value of the smallest inductor
equal to the sum of the individual inductive-reactance values
equal to the source voltage divided by total current
None of these

ANSWER DOWNLOAD EXAMIANS APP

Electronic Principles
Which one of the following is a direct statement of Ohm's law?

The algebraic sum of currents entering and leaving a point is equal to zero
The total resistance of a parallel circuit is less than the value of the smallest resistance
None of these
The algebraic sum of voltages in a loop is equal to zero
The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it

ANSWER DOWNLOAD EXAMIANS APP

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

Hysteresis is most apparent when the core material is saturated
None of these
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
Hysteresis is most apparent when a steady amount of current is lowing through the coil of an electromagnet

ANSWER DOWNLOAD EXAMIANS APP

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

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

ANSWER DOWNLOAD EXAMIANS APP