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Series Circuits - Technical MCQs

Q1:

The polarity on the side of the resistor where current enters is ______. The polarity on the side of the resistor where current exits is ___________.

A positive, positive

B negative, negative

C negative, positive

D positive, negative

ANS:C - negative, positive

I think that the type of flow considered here is electron flow and not the conventional flow that is why the answer is C. But I think letter D should also be correct if the conventional flow was considered.

Electron flow (from (-) to (+) of source),
Conventional flow (from (+) to (-) of source).