Q1242
The strength of an electromagnet can be increased by
A.
Increasing the length of the coiled wire
B.
Increasing current supply
C.
Increasing the number of turns
D.
All of the above
AnswerAnswer: Option D
Solution
Answer: Option D
Solution:
The strength of an electromagnet can be increased by increasing the length of the coiled wire, increasing current supply or increasing the number of turns.