Select the correct figure for fall in voltage -V = - IR;

Question

Question

This question was previously asked in

PGCIL DT Electrical 13 Aug 2021 Official Paper (NR I)

Answer 1

Option (1):

Option (2):

Here the current is flowing in the opposite direction of Electromotive Force (Voltage).
Since the Value of Resistance is not given hence Ohms law cannot be formed.

Option (3):

It can be drawn as,

Apply Ohms law,

V = IR

Option (4):

It can be drawn as,

Apply Ohms law,

- V = - IR

Hence, correct option is (4).

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