Which of the following changes will increase the magnetic field strength inside a…
PHYSICS · Single correct · CBSE · Physics · Magnetic Effects of Electric Current · Magnetic Effects of Electric Current
Problem
Which of the following changes will increase the magnetic field strength inside a current-carrying solenoid?
(a) Using a hollow plastic tube as the core
(b) Increasing the thickness of the wire while keeping the same number of turns per unit length
(c) Increasing the number of turns per unit length
(d) Replacing the copper wire with aluminium wire of the same diameter