Question

An electric appliance is connected with a source of 220v supply. If it consumes 500j of energy in one second. Find its power and current drawn by it.​

Answer 1

Given:

• potential difference, V = 220v
• power, p = 500W ( because Power is defined as the energy consumed per unit time, here 500 Joules in one second)

We know that,

$\qquad \quad \; \boxed{P = VI}$

Where, V is potential difference and I is current flowing per unit time.

$\Rightarrow \qquad 500 = 220 \times I \\ \Rightarrow \qquad I = \frac{500}{220} \\ \qquad \quad \; \boxed{I = 2.27 A}$

Power : 500W

Current Drawn : 2.27 A