Electronic Principles
A current source has an internal resistance of 100 kW. What is the largest load resistance if the current source must appear stiff?

1 k Ohm
None of these
20 k Ohm
10 k Ohm
2 k Ohm

ANSWER DOWNLOAD EXAMIANS APP

Electronic Principles
Which one of. the following phrases most accurately describes the nature of a pulsating dc voltage?

The voltage causes current to flow in two directions at the same time
The voltage remains at one polarity and at a steady level
The voltage remains at one polarity but changes value periodically
The voltage reverses polarity periodically
None of these

ANSWER DOWNLOAD EXAMIANS APP

Electronic Principles
Current is

An imbalance of electrical charges
The flow of charged particles through a material
The force that causes electrons to flow
The number of free electrons in an atom
None of these

ANSWER DOWNLOAD EXAMIANS APP