Q. If re is ac resistance of diode, the Thevenin input impedance of a differential amplifier is

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Q. The depletion type MOSFET can operate in

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Q. One of the following can be used to generate a pulse whenever triggered

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Q. Which amplifier has the higher power gain?

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Q. When negative feedback is used the fractional changes in closed loop gain are desensitized by the factor (1 + Avβ)

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Q. Which of the following statement about JFET is true?

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Q. Which of the following is the common feature between FETs and bipolars?

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Q. The current through common emitter resistor of a differential amplifier is called

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Q. For the high-pass circuit to act as a differentiator, the time constant must be

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Q. When a CE transistor is cut off

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Q. With JFETs cascade means

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Q. The bandwidth of an amplifier can be reduced by

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Q. How many cascaded stage of CE amplifiers will result in polarity inversion of the input signal?

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Q. The gain of a source follower is unity.

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Q. In a transistor, current ICBO flow when

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Q. The D.C. alpha(α) of a transistor is approximately

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Q. Which of the following statement is incorrect?

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Q. Which circuit is called swamped amplifier?

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Q. In a linear op-amp circuit

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Q. In a normally biased N-P-N transistor the main current crossing the collector junction is

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