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प्रश्न
Name the device or machine which convert :
Chemical energy into electrical energy.
उत्तर
A cell, or battery, converts chemical energy into electrical energy.
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संबंधित प्रश्न
State the condition under which the mechanical energy is conserved.
State whether the object possess kinetic energy, potential energy, or both :
A ceiling fan in the off position ______________
What kind of energy is possessed by the following?
A running car ____________
What kind of energy is possessed by the following?
Water stored in the reservoir of a dam __________.
Fill in the blank with suitable word :
The ability of a body to do work is called __________. The ability of a body to do work because of its motion is called __________.
Name the device or machine which convert :
Light energy into electrical energy.
Fill in the blanks with suitable words :
The principle of ___________ of energy says energy can be transformed from one form to another, but it cannot be ___________ or ___________.
A ball falls to the ground as shown below :
What is the kinetic energy of ball when it hits the ground?
A ball falls to the ground as shown below :
What is the potential energy of ball at B?
When an object falls freely towards the earth, then its total energy :
