Electronic Devices and Circuits
Fermi level is the amount of energy in which

None of these
Must be given to an electron move to conduction band
An electron can have at room temperature
A hole can have at room temperature

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Electronic Devices and Circuits
When diodes are connected in series to increase voltage rating the peak inverse voltage per junction

may be equal to or less than breakdown voltage
should not exceed the breakdown voltage
should not exceed one third the breakdown voltage
should not exceed half the breakdown voltage

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Electronic Devices and Circuits
Assertion (A): A JFET can be used as a current source.Reason (R): In beyond pinch off region the current in JFET is nearly constant.

Both A and R are true but R is not a correct explanation of A
A is true but R is false
Both A and R are true and R is correct explanation of A
A is false but R is true

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Electronic Devices and Circuits
Assertion (A): A p-n junction has high resistance in reverse direction.Reason (R): When a reverse bias is applied to p-n junction, the width of depletion layer increases.

A is true but R is false
A is false but R is true
Both A and R are true but R is not a correct explanation of A
Both A and R are true and R is correct explanation of A

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