Question

when 100 W-240W bulb is operated at 200 volt , the current in it is
a)0.35A
b)0.42A
c)0.50A
d)0.58A​

Answer 1

Answer:

when 100 W-240W bulb is operated at 200 volt , the current in it is

a)0.35A

b)0.42A

c)0.50A

d)0.58A

Answer - a) 0.35A

Answer 2

Answer:

a) 0.35A

Explanation:

P=V2/R

R=240*240/100

=24*24

=576ohm

V=iR

i=200/(576)

=0.347

i=0.35A