Answer:
The answer is "
"
Explanation:
The magnetic field at ehe mid point of the coils is,

Here, i is the current through the loop, R is the radius of the loop and x is the distance of the midpoint from the loop.


Calculating the force experienced through the protons:

Answer:
2 ans : the bell has 8550 J energy
Answer: 345600 J
Explanation: solution attached
KE= 1/2 mv²
Answer:

Explanation:
According to question,
Charge 1 and charge 2 are 
The distance between charges is 2 m
We need to find the force with which two positive charges repel. It is called electrostatic force of repulsion. It can be given by :

So, the electric force of repulsion is
.