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 false but R is true
A is true but R is false
Both A and R are true and R is correct explanation of A

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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 half the breakdown voltage
should not exceed one third the breakdown voltage
should not exceed the breakdown voltage

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