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The resistance of an incandescent lamp is

a)

Greater when switched off

b)

Smaller when switched on

c)

Greater when switched on

d)

The same whether it is switched off or switched on


Question ID - 150252 | Top Ranker Answer | SaraNextGen

The resistance of an incandescent lamp is

a)

Greater when switched off

b)

Smaller when switched on

c)

Greater when switched on

d)

The same whether it is switched off or switched on

1 Answer - 5876 Votes

3537

Answer Key : (c) -

(c)

;where  Relaxation time

When lamp is switched on, temperature of filament increases, hence  decreases so  increases



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