Two wires have their lengths, diameters and resistances all in the ratio 1:2. If

Question

Two wires have their lengths, diameters and resistances all in the ratio 1:2. If the resistance of the thinner wire is 10 ohm, the resistance of the thicker wire is

Options:

A . 5 ohm

B . 10 ohm

C . 20 ohm

D . 40 ohm

Answer: Option B
:
B
Option:(b)

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