Answer:
C is the best answer because we all know that clock is part of our daily lives but we don't know the about its background
Answer:
(a) Energy density will be equal to 
(b) Total energy will be equal to 0.0718 J
Explanation:
It is given that length of solenoid l = 78.8 cm = 0.788 m
Cross sectional area 
Number of turns of the wire N = 914
Current in the solenoid i = 8.25 A
Inductance of the wire is equal to 
(b) Total energy stored in magnetic field 
(a) Energy density will be equal to

B. number of oscillations in a given period of time.
Answer:
Objects want to keep doing the same thing is a way of stating Newtons First Law.