Question

Question 8:
Explain why, filament type electric bulbs are not power efficient.

Lakhmir Singh Physics Class 10

Answer 1

In filament type electric bulb, we get light when the filament heats up and begins to glow. A large amount of electrical energy is lost as heat. So, this kind of bulb is energy efficient or power efficient.

Answer 2

Answer:

same thing

Explanation:

Heat is lost

That is why it is not efficient