ELECTRONIC PRINCIPLES QUIZ

reduces the value of inductance by one-half

None of these

multiplies the value of inductance by two

reduces the value of inductance by one-fourth

multiplies the value of inductance by four

multiplies the inductive reactance by 6.28

has no effect on the inductive reactance

cuts the inductive reactance in half

None of these

doubles the amount of inductive reactance

Three - negative, positive and neutral terminals

Four - two negative and two positive

None of these

One - a negative terminal

Two - a negative terminal and a positive terminal

48

None of these

14

29

4

The total voltage is equal to the sum of the voltages across the resistance and inductance

None of these

The total voltages is less than the sum of the voltages across the resistance and inductance

The voltage always has the same amplitude and phase for every part of the circuit

The total voltage lags the total current by less than 90

Inductive reactance is a force that tends to overcome the effects of counter emf

Inductive reactance is an opposition to current flow in dc circuits

None of these

Inductive reactance is an opposition to current flow in ac circuits

Inductive reactance is another term for counter emf

Germanium

Silicon

Copper

None of these

All of these

0.7 V

None of these

20 V

0.8 V

a poor conductor of electrostatic fields

a good conductor of magnetic fields

None of these

a good conductor

a good insulator

that would be repelled by the south pole of another magnet

that has its molecules arranged in a random pattern

None of these

that would be attracted to the earth's north magnetic pole

that would be attracted to the earth's south magnetic pole