Bridge Rectifier Online Exam Quiz
Bridge Rectifier GK Quiz. Question and Answers related to Bridge Rectifier. MCQ (Multiple Choice Questions with answers about Bridge Rectifier
6 similar amplifiers are cascaded, with lower cut-off frequency 100Hz. Bandwidth is B1=10 kHz. What is the higher cut-off frequency of the cascaded network?
Options
A : 4000 Hz
B : 1667 Hz
C : 3642 Hz
D : 3000 Hz
Cascading increases lower cut-off frequencies.
Options
A : TRUE
B : FALSE
C : -
D : -
Consider the circuit shown.^^ Find internal voltage gain of the network given gm = 50m?-1 and ? = 100.
Options
A : 100
B : -90
C : 90
D : 95
Consider the circuit.^^ Loading effect occurs when __
Options
A : R2 is small
B : A1 is small
C : R2 is large
D : A2 is large
Efficiency of bridge full wave rectifier is ___
Options
A : 81.20%
B : 50%
C : 40.60%
D : 45.30%
For any cascaded amplifier network, which of these are incorrect?
Options
A : Cascading increases gain
B : Overall input resistance is equal to the input resistance of the first amplifier
C : The overall output resistance is less than the lowest output resistance in all amplifiers used
D : Loading effect occurs
If peak voltage on a bridge full wave rectifier circuit is 5V and diode cut-in voltage is 0.7, then peak inverse voltage on diode will be ___
Options
A : 4.3V
B : 5.7V
C : 10V
D : 5V
In a bridge full wave rectifier, the input sine wave is 250sin100 ?t. The output ripple frequency of rectifier will be __
Options
A : 50Hz
B : 200Hz
C : 100Hz
D : 25Hz
In an bridge full wave rectifier, the input sine wave is 40sin100 ?t. The average output voltage is __
Options
A : 22.73V
B : 16.93V
C : 25.47V
D : 33.23V
It is provided that the lower cut-off frequency of an individual amplifier is 25Hz, find the net cut-off frequency of a cascaded network of 8 similar amplifiers.
Options
A : 200 Hz
B : 83 Hz
C : 100 Hz
D : 25 Hz
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