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 S.I.unit of energy is ______
Select the correct alternatives
The correct statement is
State the unit of energy and define it.
What do you mean by conservation of mechanical energy? State the condition when does it hold.
What is energy?
Define the term efficiency of a machine.
Answer the following in a word or two or in a sentence.
Write the formula for calculating the efficiency of a machine.
Find out the form of energy possessed by the following thing.
A rock on the top of a hill
The work done on an object does not depend upon the
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)
