Question

observe . pience of rubber 1.point out the mistakes in the figure above . 2. why are the bulbs in figure B,C and D below not lighting up​

Answer 1

Answer:

1. Bulb is lighting even when wire is cut.

Bulb is lighting even when wire is not attached to battery.

Bulb is not lighting even when wire is properly attached.

Rubber cannot conduct electricity, then also bulb is lighting.

2. Bulbs in figure B is not lighting because wire is cutted.

Bulbs in figure C is not lighting because wire is cutted.

Bulbs in figure D is not lighting because wire attached to filament of bulb is attached only at +ve part of battery not at -ve one