By inserting a soft iron piece into solenoid, the strength of the magn

1.
By inserting a soft iron piece into solenoid, the strength of the magnetic field

A. Increase

B. Decrease

C. First increase then decrease

D. Remains unchanged

Answer» B. Decrease

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By inserting a soft iron piece into solenoid, the strength of the magnetic field

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1.	By inserting a soft iron piece into solenoid, the strength of the magnetic field
A.	Increase
B.	Decrease
C.	First increase then decrease
D.	Remains unchanged
Answer» B. Decrease