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Diodes and Applications - Technical MCQs

Q1:

Why is heat produced in a diode?

A due to current passing through the diode

B due to voltage across the diode

C due to the power rating of the diode

D due to the PN junction of the diode

ANS:A - due to current passing through the diode

Actually when current is passed through the diode then the mobile electron gets an electrostatic force due to which they move and when they move due to collision some energy is lost and changes into heat that's why heat is produced in a diode.