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Physics CBSE Live product
Class 8 (2026-27)
Electricity: Magnetic and Heating Effect
Electromagnet
1.
Components of an electromagnet
Question:
4
m.
Answer the following question:
What is the role of the soft iron core in an electromagnet?
The soft iron core helps to
block
weaken
strengthen
stop
the magnetic field produced by the coil.
It also allows the electromagnet to
lose all
gain only
gain and lose
lose only
magnetism quickly.
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