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  • Average radius of toroid made on ring of non-magnetic material is 0.1 m & it has 500 turns. If it carries

Average radius of toroid made on ring of non-magnetic material is 0.1 m & it has 500 turns. If it carries 0.5A current, then the magnetic field produced along its circular axis inside the toroid will be

Option: 1

25 \times 10 ^{-2} T


Option: 2

5 \times 10 ^{-2} T


Option: 3

25 \times 10 ^{-4} T


Option: 4

5 \times 10 ^{-4} T


Answers (1)

best_answer

As we learned

Toroid -

A toroid can be considered as a ring shaped closed solenoid 

- wherein

 

 B=\mu onI \rightarrowFor toroid\rightarrowCircular solenoid

n=\frac{N}{2\pi R}

B=\frac{\mu oNI}{2\pi R}\Rightarrow \frac{4\pi \times 10^{-7}\times 500\times 0.5}{2\pi \times 0.1}

B=5\times 10^{-4}T

 

Posted by

Ajit Kumar Dubey

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