Pick out the wrong statement - Vidyadip

MCQ

Pick out the wrong statement

A
In a simple battery circuit, the point of lowest potential is the negative terminal of the battery
✓
The resistance of an incandescent lamp is greater when the lamp is switched off
C
An ordinary $100\, W$ lamp has less resistance than a $60\, W$ lamp
D
At constant voltage, the heat developed in a uniform wire varies inversely as the length of the wire used

✓

Answer

Correct option: B.

The resistance of an incandescent lamp is greater when the lamp is switched off

b
(b) As temperature increases resistance of filament also increases.

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