Answer:
efficiency of a machine is less than 100% because some part is energy is utilized to overcome some opposing forces like friction which is wasted as heat ,sound energy etc
Explanation:
Answer:
heat it up to above 176f or apply alternating current
Explanation:
It is A. a refrigerator cause a alternating current is current that doesn't stop and the refrigerator is plug into the wall.
Answer:
While the use of the type of transformer in a rectifier depends on the voltage requirement or to meet desired operating conditions, a step-down transformer is used mainly to reduce the voltage. It is used to bring the high AC voltage level to a reasonable value or the desired output voltage.
Explanation:
Hope it helps
Correct me if Im wrong
Answer:
theory
Explanation:
that's why it's called the Big Bang Theory
