Q. A generator with an internal resistance of 600 Ω drives an amplifier whose input resistance is 400 Ω. The generator's open circuit voltages is 1 mV; the amplifier develops 100mV across an 8kΩ load. The current amplification is

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Q. In a CE amplifier circuit

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Q. In a push pull circuit the two transistors are

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Q. In a resistance loaded amplifier, the gain decreases at high frequencies because

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Q. A 1 ms pulse can be stretched to 1 sec pulse by using

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Q. Most of the transistor data sheets specify the power rating for an ambient temperature of

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Q. The early effect in BJT is caused by

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Q. In which configuration does output ac voltage appear between emitter and ground?

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Q. At high frequencies the output circuit of transistor amplifier reduces to

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Q. A pulse transformer uses

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Q. An amplifier signal is made up of just two frequencies 1000 Hz. The output signal consists of 500 Hz and 25000 Hz frequencies. This may be attributed to

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Q. If input ac is 10 Vrms, then maximum voltage that will appear across the diode of a half wave rectifier with a capacitor I/P filter will be

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Q. One of the major applications of JFET is in

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Q. Which of the following circuits can operate class AB for audio power output?

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Q. In a P-N-P transistor, with normal bias

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Q. A D.C. amplifier amplify

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Q. In common base amplifier the current gain is less than one, but the voltage gain may be anywhere from

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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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