Which is correct? "Which electronic/electronics did you buy"?
Somebody went to a electronics store yesterday.
Then which is the correct word between "electronic" and "electronics" in the following blank?

"Which _____ did you buy?"

Question

Which is correct? "Which electronic/electronics did you buy"?
Somebody went to a electronics store yesterday.
Then which is the correct word between "electronic" and "electronics" in the following blank?

"Which _____ did you buy?"

Answer

Electronics, On the other hand "Electronic" is most commonly used as an adjective ,E.G. "An electronic alarm clock".

Answer

You'd probably say "What electronics did you buy?" or "Which electronic item/thing did you buy?"

We tend to only use 'which' with countable nouns.