PHYSICS · Single correct · CBSE · Physics · Magnetic Effects of Electric Current · Magnetic Effects of Electric Current
Problem
A solenoid is placed horizontally. When observed from its left end, the current in the windings appears to flow clockwise. Identify the magnetic polarity of the left end of the solenoid.
(a) North pole
(b) Cannot be decided without knowing the current magnitude
(c) South pole
(d) Polarity alternates between north and south along the solenoid