" p-n junction diode can be used as "

a p-n junction diode cannot be used

A p-n junction diode can be used only as

A p-n junction diode can not be used

Assertion : p-n junction diode can be used even at ultra high frequencies. Reason : Capacitative reactance of a p-n junction diode increases as frequency increases.

Assertion : p-n junction diode can be used even at ultra high frequencies. Reason : Capacitative reactance of a p-n junction diode increases as frequency increases.

Assertion : p-n junction diode can be used even at ultra high frequencies. Reason : Capacitative reactance of a p-n junction diode increases as frequency increases.

A PN junction diode can be used as a rectifier. Why ?

A p-n diode can be used as