Question

In 5 hours a 200w, 250v lamp will consume

Answer 1

Given,

Time ( t) = 5 hours.

Power (P) = 200 W

Voltage (V) = 250 v.

Electrical energy or the consumption of energy or Work is defined as the product of Power and Time.

Since, Power is the rate of consumption of energy or the rate of work done.

We have,

$\huge{ \large{ \:P = \frac{E}{t} }}$

So,

$\huge{E = P. \: t}$

Now,

E = 200 * 5 = 1000 J.

Therefore, The Bulb consumes 1000 J in 5 hours.

Answer 2

→According to the Question :-

→We have :-

Time = 5 hours , Power = 200 W and Voltage = 250 volt

★Now apply this formula :-

$\tt{\rightarrow Power = \dfrac{Energy}{Time}}$

★Here we have to find energy :-

Energy = Power × Time

Energy = 200 × 5

Energy = 1000 Joule

★Hence we get :-

→Energy = 1000 Joule