The temperature coefficient of resistance of a wire is $0.00125 p e r^{o} C$ At $300 K$ , its resistance is $1 o h m$ . This resistance of the wire will be $2 o h m$ at

1154 K

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1100 K

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1400 K

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1127 K

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Solution

The correct option is D $1127 K$

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The temperature coefficient of resistance of a wire is 0.00125 per °C. At 300 K, its resistance is 1 ohm. This resistance of the wire will be 2 ohm at
(IIT-JEE 1980)

Q. The temperature coefficient of resistance of a wire is 0.00125 per

^{\circ} C

. At 300K its resistance is 1

Ω

. The resistance of wire will be 2

Ω

Q. Resistance of tungsten wire at

150^{o}

C is

133 Ω

. Its resistance temperature coefficient is

0.0045 /^{o}

C. The resistance of this wire at

500^{o}

C will be?

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The temperature coefficient of resistance of a wire is 0.00125 per oC At 300 K, its resistance is 1 ohm. This resistance of the wire will be 2 ohm at

The correct option is D 1127 K

The temperature coefficient of resistance of a wire is $0.00125 p e r^{o} C$ At $300 K$ , its resistance is $1 o h m$ . This resistance of the wire will be $2 o h m$ at

The correct option is D $1127 K$