Question

the resistance of a conductor is x ohm at 0 °c temperature.Find the temperature at which the resistance of conductor becomes 3x ohm. The temperature coefficient of resistance for conductor is o.4×10¯2°c¯1​

Answer 1

Explanation:

उत्तर नहीं पता माफ कर दीजिए प्लीज

Answer 2

Answer:

Formula

R

2

=R

2

[1+α(T

2

−T

1

)]

R

1

→ResistanceatT

1

R

2

→ResistanceatT

2

α→temperaturecoefficient

R

1

=x

R

2

=3x

T

1

=0

o

T

2

=?

α=0.4×10

−2

3x=x(1+0.4×10

−2

(T

2

−0))

3=1+0.4×10

−2

(T

2

)

2=0.4×10

−2

T

2

T

2

=

0.4×10

−

2

2

=

4

2×10

3

=500

o

C