Electronic Principles
An unloaded zener regulator has a source voltage of 20 V, a series resistance of 330 W, and a zener voltage of 12 V, What is the Zener current?

None of these
34.4 mA
68.4 mA
24.2 mA
28.4 mA

ANSWER DOWNLOAD EXAMIANS APP

Electronic Principles
A circuit has a Norton current of 10 mA and a Norton resistance of 10 kW. What is the Thevenin circuit?

100 V and a series resistance of 10 k Ohm
None of these
1000 V and a parallel resistance of 10 kOhm
100 V and a parallel resistance of 10 k Ohm
1000 V and a series resistance of 10 k Ohm

ANSWER DOWNLOAD EXAMIANS APP

Electronic Principles
The north pole of a magnet is the one:

None of these
that would be attracted to the earth's north magnetic pole
that would be repelled by the south pole of another magnet
that would be attracted to the earth's south magnetic pole
that has its molecules arranged in a random pattern

ANSWER DOWNLOAD EXAMIANS APP

Electronic Principles
Which one of the following statements is true for resistance in a parallel circuit?

The total resistance is equal to the sum of the individual resistances in a parallel circuit.
The total resistance of a parallel circuit is equal to the total voltage
The total resistance in a parallel circuit is equal to the average value of the individual resistances
The total resistance of a parallel circuit is always less than the value of the smallest resistance
None of these

ANSWER DOWNLOAD EXAMIANS APP