Question

Which of the following will increase the strength of the magnetic field? Select the TWO best answers.

A
Decrease the number of turns of the wire on the core.
B
When you decrease the current.
C
The composition of the core material.
D
The shape and size of the core.
E
The use of non-alloy materials such as glass or plastic.

Answer 1

Answer: Option : C and D are correct .

Explanation: Because core increases the strength of the magnetic field since core is having iron and nickel metals that helps to increase the current.