The current of 2 amp- flows in a long- straight wire of radius 2 mm- The intensity of magnetic field on the axis of the wire is-left-dfrac-mu-0-pi-right- times 10-3 Teslaleft-dfrac-mu-0-2pi-right- times 10-3 Teslaleft-dfrac-2mu-0-pi-right- times 10-3 Teslazero

Question

The current of 2  amp- flows in a long- straight wire of radius 2 mm- The intensity of magnetic field on the axis of the wire is-left-dfrac-mu-0-pi-right- times 10-3 Teslaleft-dfrac-mu-0-2pi-right- times 10-3 Teslaleft-dfrac-2mu-0-pi-right- times 10-3 Teslazero

Toppr Admin · Accepted Answer

Ampere circuital law-x222B-x2192-B-x2192-dl-x3BC-0Iin- - - - -1-Where- Iin-0-xA0- on the axis of the wire-x222B-x2192-B-x2192-dl-0B-0The intensity of the magnetic field on the axis of the wire is zeroThe correct option is D-

The current of $2 a m p$ , flows in a long, straight wire of radius $2 m m$ . The intensity of magnetic field on the axis of the wire is:
$(\frac{μ_{0}}{π}) \times 10^{3} T e s l a$
$(\frac{μ_{0}}{2 π}) \times 10^{3} T e s l a$
$(\frac{2 μ_{0}}{π}) \times 10^{3} T e s l a$
$z e r o$

ampere circuital law,
$\int \to B . \to d l = μ_{0} I_{i n}$ . . . . .(1)
Where, $I_{i n} = 0$ , on the axis of the wire.
$\int \to B . \to d l = 0$
$B = 0$
The intensity of the magnetic field on the axis of the wire is zero
The correct option is D.

The current of 2 amp, flows in a long, straight wire of radius 2 mm. The intensity of magnetic field on the axis of the wire is:(μ0π)×103Tesla(μ02π)×103Tesla(2μ0π)×103Teslazero

ampere circuital law,∫→B.→dl=μ0Iin. . . . .(1)Where, Iin=0, on the axis of the wire.∫→B.→dl=0B=0The intensity of the magnetic field on the axis of the wire is zeroThe correct option is D.

The current of $2 a m p$ , flows in a long, straight wire of radius $2 m m$ . The intensity of magnetic field on the axis of the wire is:
$(\frac{μ_{0}}{π}) \times 10^{3} T e s l a$
$(\frac{μ_{0}}{2 π}) \times 10^{3} T e s l a$
$(\frac{2 μ_{0}}{π}) \times 10^{3} T e s l a$
$z e r o$

ampere circuital law,
$\int \to B . \to d l = μ_{0} I_{i n}$ . . . . .(1)
Where, $I_{i n} = 0$ , on the axis of the wire.
$\int \to B . \to d l = 0$
$B = 0$
The intensity of the magnetic field on the axis of the wire is zero
The correct option is D.