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A conductor of mass m and length l is pl...

A conductor of mass m and length l is placed on a table along east-west direction. Suddenly a certain amount of charge is passed throughit and it is found to jump to a height h. What was the. amount of charge passed? The i horizontal magnetic induction of earth is B. Acceleration due to gravity is g.

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  14. How can you convert a galvanometer into a Voltmeter ? Explain with d...

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  15. What is the basci principle of a moving coil galvanometer? Derive an e...

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  16. What is magnetic field?

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  17. What do you understand by Lorentz force.

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  18. Write the value of earth's magnetic field.

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