Value of resistor = (12V) /(1.2 x 10^-3A)=10000ohms=10k ohms
The electromagnetic wave shown above is made up of vibrating Electric fields.
I assume this is why electromagnetic waves can travel through a vacuum, due to lack of matter.
To solve the problem it is necessary to refer to the definition of entropy.
Entropy is defined aso

Where,
Heat exchange
T = Temperature
Since the heat exchange is conserved and it is an isothermal process where the temperature remains constant the change in entropy remains the same, ie
(Reamins same)
Therefore the correct answer is C.