Big name in electricity (3)

I believe the answer is:

ohm

'big name in electricity' is the definition.
(I've seen this in another clue)

This is all the clue.

(Other definitions for ohm that I've seen before include "A little resistance" , "physical unit" , "SI unit of electrical resistance" , "Unit of electrical resistance (3)" , "Physicist" .)

I've seen this clue in the Newsday.com, the Newsday and the Universal.

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