Physics

27 May, 01:58

A cylindrical resistor of length l is made from a metal of mass m. It has a resistance R.

Two resistors, each of length 2l and mass m/2

, are then created from the same volume of the metal.

What is the resistance of the two resistors when connected in parallel?

A. R

B. 2R

C. 4R

D. 8R

+4

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