The first law of thermodynamics states the conservation of energy and heat where the <span>total energy in an isolated system may be transformed into another, but never created or destroyed. If 314 J of energy was released to the room, then also 314 J of energy was also removed from food in that refrigerator assuming it is an isolated system. </span>
Answer:
bcoz there is only two magnetic file orienation is possible
Explanation:
Valency is the number of electrons present in the outermost shell.
Answer:
40%
Explanation:
The efficiency of a plant is determined by

Our produced energy is

While the input energy can be calculated

So, the efficiency of plant is

or 40% efficient