Question

what is ......................​

Answer 1

Answer:

What is the amount of electrical energy consumed by the bulb.

Formula Used :-

Physics

10 points

\boxed{\bold{\small{Electrical\: energy\: =\: P\: \times t}}}

where,

Power

=

P

•

Time

=

t

•

Solution :-

Given :

Power = 100 W

•

Time = 30 d × 8 h = 240 h

•

According to the question by using the formula we get,

↦ Electrical energy = 100 × 240

↦ Electrical energy = 24000

We know that,

1 kWh = 1000 Watt-Hour

\dfrac{24000}{1000}

=

0

0

0

4

2

,

Then

\dfrac{\cancel{24000}}{\cancel{1000}}

↦ Electrical energy =

➠ Electrical energy = 24 Watt-Hour

energy

electrical

of

amount

The

\therefore

.

Watt-Hour

4

2

is

bulb

the

by

consumed

Answer 2

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