Question

Define power? State it's Si unit . What is the power of lamp which consumes 600J energy in 1 minute ???

Answer 1

Power

$\to$The rate of work done is called power

$\to$Power = work/time

$\to$The SI unit of power is watt or joule/sec

____________

Given ,

Work or energy = 600 joule

Time = 1 min i.e 60 sec

We know that ,

$\large \sf\fbox{ \fbox{Power = \frac{work}{ \: time \: } }}$

$\sf \implies Power = \frac{600}{60} \\ \\ \sf \implies Power = 10 \: \: watt$

Hence , 10 watt is the power of lamp

Answer 2

Answer:

The power of the lamp is 10 W.

Explanation:

Step 1: The quantity of energy moved or transformed per unit of time is known as power in physics. The watt, or one joule per second, is the unit of power in the International System of Units. Power is also referred to as activity in ancient writings. A scalar quantity is power.

Step 2: Watt (W), which is derived from joules per second (J/s), is the SI unit of power. Horsepower (hp), which is roughly equivalent to 745.7 watts, is a unit of measurement sometimes used to describe the power of motor vehicles and other devices.

Step 3: P=600/60 min. = 10 W

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