Advertisements
Advertisements
Question
Name the energy transfers which occur when :
an electric ball rings
Solution
An electric bell converts electrical energy to sound energy.
APPEARS IN
RELATED QUESTIONS
State the condition under which the mechanical energy is conserved.
A pendulum is oscillating on either side of its rest position. The correct statement is:
What kind of energy is possessed by the following?
A compressed spring ____________.
A boy weighing 40 kg makes a high jump of 1.5 m.
What is his kinetic energy at the highest point?
Name the device or machine which convert :
Mechanical energy into electrical energy.
Name the device or machine which convert :
Chemical energy into electrical energy.
Describe the energy changes which take place in a radio.
What do you understand by the term 'transformation of energy"? Explain with an example.
Explain the transformation of energy in the following cases :
(i) A ball thrown upwards.
(ii) A stone dropped from the roof of a building.
In the case of negative work, the angle between the force and displacement is
