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Physics CBSE Live product
Class 10
Magnetic effects of electric current
Magnetic field through a straight conductor and circular loop
8.
Magnetic field produced by a current carrying circular coil
Question:
4
m.
1
.
If we double the radius of a current carrying coil keeping the current unchanged, what happens to the magnetic field at its center?
becomes four times
doubled
remains unchanged
halved
2
.
What material is commonly used to make the coil in this experiment?
Iron wire
Steel rod
Insulated copper wire
Aluminium wire
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