A force sets an object in motion when the force is multiplied by the time of its application.
Answer:
here north are not vector option b hope ur help
Answer:
a) 
b) 
Explanation:
From the question we are told that:
Wire Length 
Resistance 
Force 
Power 
a)
Generally the equation for Power is mathematically given by

Therefore



b)
Generally the equation for Magnetic Field is mathematically given by



Answer:
I think the answer is b am sorry if it is wrong
Explanation: