Electronic Principles
The transistor has a collector current of 2 mA. If the current gain is 135, what is the base current?

7.8 µA
10.3 µA
14.8 µA
None of these
7.75 µA

ANSWER DOWNLOAD EXAMIANS APP

Electronic Principles
Which one of the following phrases most accurately describes a purely capacitive circuit?

Resistances provide the only opposition to current flow
The ac voltage leads the current by 90 degree
Combinations of resistance and capacitive reactance provide any opposition to current flow
Capacitive reactance provides the only opposition to current flow
None of these

ANSWER DOWNLOAD EXAMIANS APP

Electronic Principles
Molecule is

A atom that has an excessive number of electrons in its outer orbit
None of these
A atom that has a shortage of electrons in its outer orbit
The smallest particle of a substance that retains the properties of that substance
A atom that flows whenever there is an imbalance of electrical charges between two points

ANSWER DOWNLOAD EXAMIANS APP