Single Answer MCQ
Q-00040521
What is the primary effect of placing a piece of soft iron inside a solenoid?
1
Changes the shape of the solenoid
2
Reduces the current needed
3
Increases the magnetic field strength
4
Warms the solenoid
Answer and Solution
Answer
C. Increases the magnetic field strength
Solution:
Placing soft iron inside a solenoid increases the magnetic field strength because the iron gets magnetized, enhancing the overall field.
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