Electrostatic Potential and Capacitance

Question

The number of turns in the secondary coil of a transformer is 500 times that in primary. What power is obtained from the secondary when power fed to the primary is 10 W?

Answer

Given, the power fed to the primary is 10 W. 

Therefore, 

If there is no loss of energy, then the output power will be 10 W. 

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