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Precautions While Using Electricity

Nicrome and c...

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Nicrome and copper wireof same length and same radius are connected in series .current I is passed through them. Which wire gets heated up more? Justify

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Q. Nichrome and copper wire of same length and same radius are connected in series. Current

I

is passed through them. Which wire gets heated up more? Justify your answer.

Q. Nichrome and copper wires of the same length and same radius are connected in series. If a current I flows through them, which wire gets heated up more?

Q. The same mass of copper is drawn into wires

2 m m

3 m m

thick. The wires are connected in series and current is passed through them. The ratio of heats produced in two wires is

Q. If two wires

1 m m

2 m m

thick are made of same mass of copper connected in series and current is passed through them, then heat produced in the wires is in the ratio.

Q. The same mass of copper is drawn into two wires 1mm and 2mm thick. Two wires are connected in series and current is passed through them. Heat produced in the wires is in the ratio

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