Explanation:
guy thy guy thy guy thy guy thy guy thy
Answer:
so what ever one is new here
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:
A textbook but if there none to good use try google
The correct answer is: <span>Unscrew one light, if the others remain on it is a parallel circuit.</span>