A solenoid of length has turns and carries a current of

PHYSICS · Single correct · CBSE · Physics · Magnetic Effects of Electric Current · Magnetic Effects of Electric Current

Problem

A solenoid of length

0.50\,\text{m}

has

600

turns and carries a current of

2\,\text{A}

. Keeping the current unchanged, how many turns should it have so that the magnetic field inside it becomes

1.5

times the original value? (a)

400

(b)

900

(c)

1200

(d)

735