Question

The specific resistance of manganin is 50 × 10–8 ohm × m. The resistance of a cube oflength 50 cm will be(A) 10–6 ohm (B) 2.5 × 10–6 ohm (C) 10–8 ohm (D) 5 × 10–4 ohm

Answer 1

Option B is the right answer