A long straight vertical wire carries a current upward

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

Problem

A long straight vertical wire carries a current upward. Point

P

5\,\text{cm}

due east of the wire. What is the direction of the magnetic field at

P

? (a) Towards south (b) Vertically upward (c) Towards north (d) Towards west (toward the wire)