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A current of 1A is flowing in the sides ...

A current of 1A is flowing in the sides of equilateral triangle of side `4.5xx10^(-2)m`. The magnetic induction at centroid of the triangle:

A

`4 xx 10^(-5) T`

B

`40T`

C

`0.4 xx 10^(-3) T`

D

`4 xx 10^(-2) T`

Text Solution

Verified by Experts

The correct Answer is:
A
`B = (mu_0 i)/(4pi r) (sin theta_1 + sin theta_2) xx 3`
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NARAYNA-MOVING CHARGES AND MAGNETISM-EXERCISE - 2(C.W) (AMPERE.S CIRCUITAL LAW BIO-SAVART LAW AND ITS APPLICATIONS)
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  11. A wire of length 10cm is bent into an arc of a circle such that it sub...

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  13. Two wires A and B are of lengths 40cm and 30cm. A is bent into a circl...

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  14. Two long straight conductors with corrents I(1) and I(2) are placed al...

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  15. Magnetic field induction at the center of a circular coil of radius 5c...

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  16. The magnetic induction at the centre of a current carrying circular co...

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  17. Same current i is flowing in the three infinitely long wires along pos...

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  18. Two long straight wires are connected by a circular section which has ...

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  19. If B is the magnetic induction, at the centre of a circular coil of ra...

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