Q. The maximum rectification efficiency in case of full wave rectifier is

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Q. For a full wave bridge rectifier supplied with 50 Hz a.c., the lowest ripple frequency will be

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Q. When an electron rises through a potential of 100 V it will acquired an energy of

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Q. Which one of the following gain equations is correct for a MOSFET common-source amplifier?

(gm is mutual conductance, and RD is load resistance at the drain)

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Q. If 1 kVA transformer is used for all of the following rectifiers, the d.c. power availability will be least in case of

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Q. In which of the following does a negative resistance region exist in the v-i characteristics?

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Q. The intrinsic resistivity of silicon at 300 K is about

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Q. What happens when forward bias is applied to a junction diode?

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Q. A differential amplifier is invariably used in the I/P stage of all OP-amps. This is done basically to produce the OP-amp with a very high.

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Q. The addition of impurity in extrinsic semiconductor is about 1 part in 10⁸ parts.

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Q. It is required to trace the output characteristics of a CE bipolar transistor on a CRO screen. The proper method is

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Q. Atomic number of germanium is

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Q. The resistivity of ferrites is

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Q. A JFET

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Q. In monostable multivibrator

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Q. Which of the following is the ferric electric material?

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Q. The amount of time between the creation and disappearance of a hole in an intrinsic semiconductor material is called

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Q. In which n type device does p substrate extend upto silicon dioxide layer?

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Q. In a N-type semi-conductor, the concentration of minority carriers is mainly depends on

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Q. Resistivity of metals is expressed in terms of

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