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Higher Study | Physics | Work Power and Energy

Which of the following is not a conservative force?
Which of the following energy increases with speed?
A device which converts chemical energy into electrical energy is called
In a hydro power plant
In a hydroelectric power plant more electrical power can be generated, if water falls from a great height, then
The energy that can harness heat stored below the Earth's surface is known as
One of the following is not fossil fuel
A gas is filled in an air-tight container with a movable piston arrangement. If the gas is allowed to expand, the work done by the gas on the piston is-
In circular motion, the work done by the centripetal force on the body is-
For a particle moving under a central force, it's motion will be
The area under a force-displacement graph gives the magnitude of
Work is defined as
In a system, mechanical energy will be conserved if:
The total energy of an isolated system:
Energy changes involved in the generation of electricity in a hydroelectric power station is in the order:
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