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ECE · all questions

Electronic Devices And Circuits
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The most commonly used semiconductor material is

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Permalloy is

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Which one of the following is not a characteristic of a ferroelectric material?

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In which of these is reverse recovery time nearly zero?

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Hall effect is observed in a specimen when it is carrying current and is placed in a magnetic field. The resultant electric field inside the specimen is

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Fermi level is the amount of energy in which

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In monolithic ICs, all the components are fabricated by

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When diodes are connected in series to increase voltage rating the peak inverse voltage per junction

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If fixed positive charges are present in the gate oxide of an n-channel enhancement type MOSFET, it will lead to

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The main drawback of JFET is its

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If a donor type impurity is added to the semiconductor, then at a given temperature, the Fermi Level

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In PN junction diode, P side is doped with acceptor concentration of 2 × 1016 cm-3, N side is doped donor concentration of 5 × 1017 cm-3. The contact potential of diode is:
Assume thermal equivalent voltage equal to 26 mV and intrinsic carrier concentration equal to 1.45 × 1010 cm-3.

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The forward amplification factor of a transistor corresponds to

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A diode which resembles a voltage variable capacitor is known as

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Find the wrong statement: specific heat of a material is

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The capacitance of a reverse-biased PN junction

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Thermionic emission occurs in

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The stability of fixed bias circuit

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Most of the majority carriers from the emitter . . . . . . . .

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The Integrated Circuit used in computers is made of which element?

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