Identify the correct statements
(a) Magnetic force does ‘no work’.
(b) Electrostatic charges generate a magnetic field.
(c) If the lines of magnetic force are parallel then the magnetic field is uniform.
(d) Uniform magnetic field is conservative.
1
(a), (c)
2
(a), (c), (d)
3
(a), (b), (c)
4
(b), (c)