An energy source will supply a constant current into the load if its internal resistance is
a.zero
b.nonzero but less than the resistance of the load
c.equal to the resistance of the load
d.very large as compared to the load resistance.
The potential energy of a particle executing SHM varies sinusoidally with frequency f. The frequency of oscillation of the particle will be:
a.f/2
b.f/(2)
c.f
d.2f