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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A 100W bulb is designed to operate on a potential difference of 230V. (i) Find the resistance of the bulb. (ii) Find the current drawn by the bulb if it is operated at a potential difference for which it is designed. (iii) Find the current drawn and power consumed by the bulb if it is connected to a 200V supply.

A 100W bulb is designed to operate on a potential difference of 230V. (i) Find the resistance of the bulb. (ii) Find the current drawn by the bulb if it is operated at a potential difference for which it is designed. (iii) Find the current drawn and power consumed by the bulb if it is connected to a 200V supply.

and respectively 2:1 are connected one by one to the same volltage supply. The rate of heat dissipation in the wire is found to be 10 W. Find the rate of heat dissipation in the second wire. density 1:3 having ratio of lengths 1:2 Two wires of same mass