Question

1. A bulb is connected to a battery of emf 8v . A steady current of 0.3 A flows through the circuit. calculate the total energy supplied by the battery in 10 minutes.
2. Calculate the current through a 60w lamp rated for 240v. if the line voltage falls to 220 volt. How is the power consumed by the bulb affected?

3. an electric heater is rated 220 volt 500 w. calculate the electrical energy consumed in 4 hours.​

Answer 1

Hello

Here we go,

The answer is given in the attachment

I hope my answer will help you

Answer 2

2.4 × 600 is the answer dude