Question

A lamp consumes $1000\text{J}$ of electrical energy in $10\text{s}$. What is its power?

• A. $1000\text{W}$
• B. $100\text{W}$
• C. $10\text{W}$
• D. $5\text{W}$

Answer 1

The correct option is B $100\text{W}$

We know that electrical power,

$P=\frac{w}{t}=\frac{1000}{10}=100\text{W}$