Physics
A dynamo is used to convert

Magnetic energy into mechanical energy
Electrical energy into magnetic energy
Mechanical energy into electrical energy
Electrical energy into mechanical energy

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Physics
A tank filled partially with a liquid is subjected to a uniform horizontal acceleration. Which of the following is true for the surface of liquid in the tank?

None
The liquid surface falls down only at the center of the tank
The surface of the liquid remains horizontal
The liquid surface falls down on the direction of motion and rises up on the back side of the tank

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