Answer:A
Explanation:Find attached picture file for details
Answer:
varn=n1+1ehvkT–1
Explanation:
This is Einstein's equation.
the answer could be (very basic) since options arent given
Answer:

Explanation:
given data
density of current sheet = 0.40 A/m
length a = 0.27 m
width b = 0.63 m
For infinite sheet, magnetic field is given as

magnetic flux is given as




Answer:
at the top
Explanation:
Potential energy is the stored energy, mechanical energy,
or energy possessed by by virtue of the position of an object.an example of potential energy is the energy that a ball possesses by virtue of its sitting at the top of the stairs it being about to roll down the stairs.