Question

Find the resistance of the wire if 40 J of work is done in moving
4 C of charge through it in 10 s.​

Answer 1

Answer:

25ohms

Explanation:

W= 40J

Q=4C

t=10s

P=W/t

=40/10

=4W

I=Q/t

=4/10

=0.4A

P=VI

V=P/I

=4/0.4

=10V

R=V/A

= 10/0.4

=25ohms