Question

Q.10 - The resistance of a wire of 0.01 cm radius is 10Ω. If the
resistivity of the material of the wire is 50×10-8Ωm find the length of
the wire.

Answer 1

Answer:

${\huge{\green {given}}}$

Radius = 0.01 cm = 0.01 x 10-2m.

Resistivity p = 50 x 10-8Ωm.

Resistivity R = 10Ω

${\bold{\red{we have formula,}}}$

Answer :- 0.628 m

Answer 2

Ans=O.628 ™ resistivity...