Question

1. list two ways to keep themselves safe? 2. differentiate between paper and coins?​

Answer 1

Answer:

Correct option is D)

In the following figure magnetic field at mid point M is given by

B

Net

=B

Q

−B

P

=

4π

μ

0

.

r

2

(i

Q

−i

P

)

=

4π

μ

0

×

2.5

2

(5−2.5)=

2π

μ

0

solution