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The temperature coefficient of resistance for a wire is 0.00125 At 300 K its resistance is 1 The temperature at which the resistance becomes 1.5 is?

a)

450 K

b)

727 K

c)

454 K

d)

900 K


Question ID - 151548 :-

The temperature coefficient of resistance for a wire is 0.00125 At 300 K its resistance is 1 The temperature at which the resistance becomes 1.5 is?

a)

450 K

b)

727 K

c)

454 K

d)

900 K

1 Answer
5876 Votes
3537

Answer Key : (b) -

(b)

or

On solving we get;



Next Question :

A 10 F capacitor is charged to 500 V and then its plates are joined together through a resistance of 10 . The heat produced in the resistance is

a)

500 J

b)

250 J

c)

125 J

d)

1.25 J


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