Question

1. The resistance of a 40 cm long wire is 8 ohm. The
is stretched to a uniform wire of 60 cm length
MULTIPLE CHOICE QUESTIONS
resistance will now be
(a) 18 ohm
(c) 8 ohm
(b) 16 ohm
(d) 2 ohm​

Answer 1

Answer:

option (a) is correct answer