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Worksheetsquiz_1
Total questions: 10
Worksheet time: 6mins
Which is the coupling device used in RC coupled amplifier
Resistor
Capacitor
Inductor
Resistor-Capacitor
RC coupled amplifier is mainly used for .....
Current amplification
voltage amplification
power amplification
Unit assigned to gain is bel, True or False?
True
False
The frequency at which gain of amplifier is equal to 70.7% of maximum gain is known as
Bandwidth
Resonant frequency
cut-off frequency
Gain of RC coupled amplifier is uniform at
high frequencies
mid frequencies
low frequencies
Which of the following has excellent frequency response?
transformer coupled amplifier
RC coupled amplifier
Direct coupled amplifier
which of the following is used for impedance matching?
Transformer coupled amplifier
RC coupled amplifier
direct coupled amplifier
Direct coupled amplifier is used for high frequency amplification
True
False
Transformer coupled amplifiers are mostly used for (a)
At cut-off frequency power gain of the amplifier is ----- of maximum power gain
70.7%
3db less
50%
