Question

the specific resistance of Manganin is 50*10 to the power 5 ohm metre the resistance of a Manganin cube having length 50 cm is ​

Answer 1

Answer:

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