Advertisements
Advertisements
Question
Select the correct alternatives
When a bulb lights up on passing current, the change of energy is
Options
from electrical energy to heat energy
from electrical energy to light energy
from electrical energy to heat and light energy
from electrical energy to mechanical energy.
Advertisements
Solution
from electrical energy to heat and light energy
APPEARS IN
RELATED QUESTIONS
Fill in the blank
The ability to do work is called ______
Match the following columns
| COLUMN A | COLUMN B |
| 1. Running water | 1. heat energy |
| 2. Burning | 2. vibrations |
| 3.Energy | 3.atom bomb |
| 4.Sound energy | 4.kinetic energy |
| 5.Nuclear energy | 5.joule |
What do you mean by conservation of mechanical energy? State the condition when does it hold.
What is energy?
Define the term 'watt'.
A certain household consumes 650 units of electricity in a month. How much is this electricity in joules?
The commercial unit of energy is :
Can you tell?
What should be taken into account for measuring work?
We make useful objects from a variety of substances. Another use of substances is that we get energy from some of them.
There is a car. Its tank is full of fuel but it does not move. Why is that?
A ball is dropped from a height of 10 m. If the energy of the ball reduces by 40% after striking the ground, how much high can the ball bounce back? (g = 10 m s–2)
