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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A 500W heating unit is designed to operate from a 200V line . By what percentage will its heat output drop if the line voltage drops to 160V? Find the heat produced by it in 10 min.

A 500W heating unit is designed to operate from a 200V line . By what percentage will its heat output drop if the line voltage drops to 160V? Find the heat produced by it in 10 min.

A 500W heating unit is designed to operate from a 200V line . By what percentage will its heat output drop if the line voltage drops to 160V? Find the heat produced by it in 10 min.