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Q. The mechanical power developed by the D.C motor is maximum when back e.m.f is equal to
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Q. Which of the following one of the following has the highest value of specific heat
Q. Rainbow is seen after rain because of hanging molecules of water which act as
Q. The Newton's 1st Law is also called as
Q. On a rainy day, small oil films on water show brilliant colors. This is due to
Q. Centrifugal force increases with
Q. The forces between two bodies are always ?
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