Assertion : When electron and holes combine then this reaction is exothermic .
Reason : Hole electron can not combine.

Distinguish between electron and hole.

Distinguish between electrons and holes.

Give an example of a combination reaction which is exothermic.

When does electron-hole recombination take place?

Assertion A: When hydrogen and nitrogen combines, ammonia is formed. Reason(R):It is an exothermic reaction.

In ETS, electron combines to

What are electron current and hole current?

Assertion : When baseregion has larger width, the collector current increases. Reason : : Electron hole combination in base result in increase of base current.

Assertion : When baseregion has larger width, the collector current increases. Reason : : Electron hole combination in base result in increase of base current.