ECE :: Electronic Devices and Circuits
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Gel is
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When a P-N junction is unbiased, the junction current at equilibrium is
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Which one of the following material has the highest dielectric strength?
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Assertion (A): In p type semiconductor conduction is mainly due to holes.
Reason (R): In p type material the holes are majority carriers.
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In common base configuration, the input characteristics of bipolar junction transistor are drawn between
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The voltage across the secondary of the transformer in a half wave rectifier (without any filter circuit) is 25 volts. The maximum voltage on the reverse biased diode will be
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The residual resistivity of a binary alloy at 0°K is
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Which of the following insulating material is restricted to temperatures below 100°C?
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- ve feedback in an amplifier
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A.
a polymer having side groups distributed randomly along a vinly polymer chain
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B.
a polymer having secondary chains branching from the main molecular chain
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C.
a solid frame work of colloidal particles linked together and containing a fluid
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D.
a polymer in which the repeating unit of each molecule has vinyl group
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