Transformations and Transfer of Energy

IMPORTANT

Transformations and Transfer of Energy: Overview

This topic covers concepts such as Source of Electricity in an Electric Cell, Activity on Interconversion among Various Forms of Energy, Conversion of Heat Energy into Mechanical Energy, Conversion of Heat Energy into Chemical Energy, etc.

Important Questions on Transformations and Transfer of Energy

MEDIUM
IMPORTANT

Give an example of conversion of electrical energy into magnetic energy.

MEDIUM
IMPORTANT

Give an example of conversion of electrical energy into chemical energy.

MEDIUM
IMPORTANT

Give an example of conversion of electrical energy into sound energy.

MEDIUM
IMPORTANT

Give an example of conversion of sound energy into electrical energy.

HARD
IMPORTANT

Give an example of conversion of heat energy into chemical energy.

EASY
IMPORTANT

The dissipation of electric energy in an electric bulb is due to the presence of light energy.

EASY
IMPORTANT

Why does an electric bulb cannot give the exact power as per the rating?

EASY
IMPORTANT

What are the causes of dissipation of energy from an electric bulb?

EASY
IMPORTANT

 The energy conversion happening during charging of a battery is :

EASY
IMPORTANT

When a battery is getting discharged, mechanical energy is converted to electrical energy.

EASY
IMPORTANT

When a battery is charging, kinetic energy is converted to electrical energy.

EASY
IMPORTANT

Explain the energy conversion happening during charging and discharging of a battery.

MEDIUM
IMPORTANT

Our food is cooked by _____ energy. (heat/sound)