Electronic Devices and Circuits
An intrinsic silicon sample has 1 million free electrons at room temperature. As the temperature is increased

The number of free electrons and holes increase but not by the same amount
The number of free electrons increases but the number of holes decreases
The number of free electrons increases
The number of free electrons and holes increase by the same amount

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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.

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

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Electronic Devices and Circuits
Assertion (A): A VMOS can handle much larger current than other field effect transistors.Reason (R): In a VMOS the conducting channel is very narrow.

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

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