When current flows through a moving-coil galvanometer, the force exerted on the pointer depends on the? Which of the statement(s) above is/are correct?

i. strength of the current.

ii. magnetic field strength.

iii. length of the coil.

A. i only
B. ii only
C. i and iii only
D. i, ii and iii

Correct Answer: Option C

C. i and iii only