Question

A bulb of resistance 440 Ω is connected to 220 V supply. The current flowing through bulb is:

Options

• 0.5 A

• 1.0 A

• 0.8 A

• 0.4 A

Answer 1

0.5 A

Explanation:

Using Ohm's law, $$I = \frac{V}{R}$$

$$= \frac{220}{440}$$

$$= 0.5\ \text{A}$$