Which of the following statement about force is correct ?
A
electrostatic, gravitational and magnetic forces are always attractive
B
electric, gravitational and magnetic field obeys inverse square law
C
fields are real but their corresponding field lines are imaginary
D
field lines and their corresponding fields are both real
Verified Correct Answer: C.
Physical Principles & Numerical Solution
No expanded working has been attached for this question yet. The verified answer is Option C.
Source: Myschool Past Questions Archive (Record #34228)