Q. In a class C operation

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Q. For a good voltage amplifier, its input impedance should be

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Q. Gain stability in an oscillator can bs achieved by

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Q. A Hartley oscillator uses

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Q. Aperture circuit produces __________ in sample hold circuit.

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Q. A clipper

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Q. In a rectifier circuit the filter capacitance is increased. Then the ripple will

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Q. The static characteristic of an adequately forward biased p-n junction is a straight line if the plot is of

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Q. The main use of JFET with a

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Q. Assertion (A): A dc stabilizer has constant output voltage irrespective of variations in input voltage and load current

Reason (R): A dc series regulator uses a zener diode across the load to stabilize the output voltage.

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Q. In the self biasing scheme (RF across collector to base) of BJT, S1 tends to unity by __________ RC is the collector load Resistance.

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Q. In op-amp integrating amplifier the input is feed to

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Q. Transformer coupling in transistor amplifier circuits provides high efficiency, because

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Q. Two identical FETs each having parameters gm and rd are connected is parallel. The composite FET has parameters

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Q. If f is more than funity the gain of op-amp becomes less than 1.

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Q. In a N-P-N transistor the function of the emitter is

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Q. The properties of FETs resemble closely to

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Q. The source of the harmonic distortion in a RC coupled transistor amplifier is usually

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Q. Two transistors have same value of a but different gain (G) bandwidth (B) product. The transistors have similar geometry. However one of them is germanium and the other is silicon. The transistor with lower GB product

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Q. Which distortion is least objectionable in case of audio amplifiers?

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