Q. In the figure, assume the op-amp is to be ideal. The output Vo if the circuit is

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Q. Assuming VCE sat = 0.2 V and β = 50, the minimum base current (IB) required to drive the transistor in the given figure to saturation is

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Q. In the op-amp circuit given in the figure, the load current iL is

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Q. In figure, secondary winding has 40 turns. For maximum power transformer to 2 ohm resistance the number of turns in primary is

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Q. In figure if the transistor is cut off, the collector voltage is equal to

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Q. In figure, D1 turns on when

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Q. In the circuit of figure both diodes are ideal. If v1 = 10 V and v2 = 10 V which diode will conduct?

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Q. In the circuit of the given figure, assume that the diodes are ideal and the meter is an average indicating ammeter, the ammeter will read

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Q. In the following figure C = 0.02 μF, and Vth is known to be of frequency ω = 10⁷ rad/sec and rd = 2.5 Ω and ZTh = RTh = 10 Ω Then phase angle between id and Vd

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Q. In figure the cut in voltage of diode is 0.7 V and its bulk resistance is 20 Ω. The peak value of circuit current of during positive and negative half cycles are

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Q. In figure, VG =

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Q. In figure the voltage drop across diode is 0.7 V. Then the voltage across diode during negative half cycle is

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Q. In figure vi = 10 mV dc maximum. The maximum possible dc output offset voltage is

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Q. For the circuit of figure the critical frequency is

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Q. The current through R1 is(If β = 99, VBE = 0.74 V)

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Q. The feedback technique employed in the following circuit is

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Q. In figure the approximate voltages of

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Q. Which one of the following is connect expression of id for figure?

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Q. In figure the current through resistor R

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Q. For an npn transistor connected as shown in the figure VBE = 0.7 volts. Given that reverse saturation current of the junction at room temperature 300K is 10¯¹³A, the emitter current.

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