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Question

A square coil of 0.01m2 area is placed perpendicular to the uniform magnetic field of 103weber/meter2. The magnetic flux linked with the coil is :-

A
10 weber
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B
105 weber
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C
Zero
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D
100 weber
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Solution

The correct option is C 10 weber
Given: Area of coil,A=0.01m2=102m2
magnetic field, B=103Wb/m2
To Find: magnetic flux, ϕ=?
Solution: As we know that,
magnetic flux(ϕ) linked with a coil is equal to the multiplication of magnetic field(B) and area of the coil(A).
i.e. ϕ=BA
ϕ=103102
ϕ=10weber
hence,
The correct opt: A








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