MEDIUM
10th CBSE
IMPORTANT
Earn 100

The resistance of a metal wire of length is at . If the diameter of the wire is , what will be the resistivity of the metal at that temperature?

Important Questions on Electricity
EASY
10th CBSE
IMPORTANT

MEDIUM
10th CBSE
IMPORTANT

MEDIUM
10th CBSE
IMPORTANT

HARD
10th CBSE
IMPORTANT

HARD
10th CBSE
IMPORTANT
A resistance wire is doubled on it. Calculate the new resistance of wire.
[Hint: On doubling: length becomes and area of cross-section becomes double]

MEDIUM
10th CBSE
IMPORTANT

EASY
10th CBSE
IMPORTANT

EASY
10th CBSE
IMPORTANT
