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BARC 2018 EE: Analog Electronics Nuclear Quiz 3

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Question 1

The circuit of a class B push pull amplifier is shown below.

If the peak output voltage is 10 V, the power drawn from the DC source is (Assume maximum conversion efficiency = 0.785)

Question 2

In the circuit shown below the upper cutoff frequency of the circuit is
       

Question 3

In the Astable multivibrator circuit shown in the figure, the frequency of oscillation (in kHz) at the output pin 3 is ___________
3.15.JPG

Question 4

Determine the output voltage of the given circuit in the period if the diode employed is silicon diode.

Question 5

In a half-wave rectifier, if an a.c supply is 60 Hz. Then what is the a.c ripple at output?
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Feb 6ESE & GATE EE