Question

A bulb consumes 1500 J of electrical energy in 30 sec, what is its power?​

Answer 1

Answer:

In other words, power can be calculated from the ratio of work done and time taken to do the work. So, power delivered by the lamp is 50 watt.

Explanation:

Answer 2

Given :-

the electicity consumed by the bulb, W = 1500J

Time, t = 30sec

To find :-

Power of the bulb

Solution :-

Power is a measure of the amount of work that can be done in a given amount of time.

power is a scalar quantity.

.i.e.,

➠ power = work done/time

according to Question

• work = 1500J
• time = 30 sec

➠ power = 1500/30

➠ power = 50 watts.

thus, the power delivered by the bulb is 50 watts.

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