Electronic Principles
The current gain of a transistor is defined as the ratio of the collector current to the

supply current
emitter current
collector current
base current
None of these

ANSWER DOWNLOAD EXAMIANS APP

Electronic Principles
A high-pass filter:

increases the level of all frequencies by a significant amount
passes higher-frequency signals and reduces lower-frequency signals
None of these
passes lower-frequency signals and reduces higher-frequency signals
has no effect on ac signals

ANSWER DOWNLOAD EXAMIANS APP

Electronic Principles
Which one of the following statements is true?

Power dissipation of a pure capacitor increases with operating frequency
There is no meaningful relationship between the power dissipation of a pure capacitor and its operating frequency
All of these
None of these
Power dissipation of a pure capacitor decreases with operating frequency

ANSWER DOWNLOAD EXAMIANS APP

Electronic Principles
The total impedance of a parallel RLC circuit:

is maximum at the resonant frequency
always increases as the applied frequency increases
None of these
is equal to the sum of the values of resistance, inductive reactance and capacitive reactance
always decreases as the applied frequency increases

ANSWER DOWNLOAD EXAMIANS APP