A PN junction can be used as _____?

ایک پی این جنکشن _____ کے طور پر استعمال کیا جاسکتا ہے؟

Rectifier

Amplifier

Oscillator

None of these

A PN junction diode allows current to flow in one direction, making it useful as a rectifier for converting AC to DC.

It does not amplify signals like a transistor (amplifier) or generate oscillations like an oscillator.