Different forms of energy

An electric motor is a device which converts energy to
Electrical energy to mechanical
Mechanical to electrical
Solar to electrical
Electrical to heat
Gravitational potential energy is converted into electrical energy in ____
Hydroelectric power plant
Wind mill
Thermal power plant
Geo thermal energy
What will be happening when a simple pendulum is a swing from the lowest position to highest position
Kinetic energy will be reduced and potential energy will be maximum
Potential energy will be reduced and kinetic energy will be maximum
Which of the following conversion is correct when a firecracker burst?
Potential energy to light, heat and sound
Chemical energy to light, heat and sound
Heat energy to light and sound
Transformation of energy has not been determined for firecracker
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