Question

Magnetic field at origin o due to given current distribution is?​

Answer 1

Answer:

Magnetic field prevails as long as there is current in the wire. The direction of magnetic field was found to be modified when the direction ...

Answer 2

The mgnetic field at origin is $10^{-5}\ T$

Explanation:

Given that,

Magnetic field at origin O.

Suppose If 5 A current is flowing in this system and the diameter of the loop is 10cm.

According to figure,

The circular part will be equal and in opposite to each other. So, they will cancel each other.

So, magnetic field at 0 will be due to two straight wires only.

The magnetic field will be equal and in same direction due to each straight wire.

The magnetic field due to first wire

$B=\dfrac{\mu_{0}I}{4\pi R}$

The net magnetic field is

$B_{net}=2 B$

Put the value into the formula

$B_{net} = 2\times\dfrac{\mu_{0}I}{4\pi R}$

$B_{net}=\dfrac{\mu_{0}I}{2\pi R}$

Put the value into the formula

$B_{net}=\dfrac{4\p\times10^{-7}\times5}{2\pi\times10\times10^{-2}}$

$B_{net}= 10\times10^{-7}\times10$

$B_{net}=10^{-5}\ T$

Hence, The mgnetic field at origin is $10^{-5}\ T$

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Topic : magnetic field

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