ECE :: Electronic Devices and Circuits
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The maximum rectification efficiency in case of full wave rectifier is
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For a full wave bridge rectifier supplied with 50 Hz a.c., the lowest ripple frequency will be
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When an electron rises through a potential of 100 V it will acquired an energy of
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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) -
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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Which of the following is the ferric electric material?
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The amount of time between the creation and disappearance of a hole in an intrinsic semiconductor material is called
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In photo electric emission, the threshold frequency f0, work function Uw, and Planck's constant h are related as
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In which n type device does p substrate extend upto silicon dioxide layer?
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In a N-type semi-conductor, the concentration of minority carriers is mainly depends on
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