How does the value of the magnetic field at a distance $x$ from a long straight current - carrying conductor vary with $x$ ?

x

No worries! We‘ve got your back. Try BYJU‘S free classes today!

x^{2}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

1 / x^{2}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

1 / x

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Open in App

Solution

The correct option is B $1 / x$
The value of B at a distance x from a long straight current - carrying conductor is proportional of $1 / x$ .
$(∵ B = \frac{μ_{0} i}{2 π x})$

Suggest Corrections

Similar questions

Q. The value of the magnetic field at a distance x from a long straight current - carrying conductor is proportional to :

Q. How is the magnetic field due to a long straight wire carrying a current

I

vary with current?

Q. Maximum magnetic field is found at a distance

x

from the centre along the axis of circular loop

(

radius

= R)

of the current carrying conductor. What is the value of

x ?

Consider a straight piece of length x of a wire carrying a current i.Let P be a point on the perpendicular bisector of the piece,situated at a distance d from its middle point.Show that for d>>x,the magnetic field at P varies as 1/ $d^{2}$ whereas d<<x,it varies as 1/d.

Q. A large number of infinite long thin wires each carrying current

i_{o}

are kept along z-axis. Then the value of magnetic field 'B' at any point 'P' at a distance 'x' from O varies as

Join BYJU'S Learning Program

How does the value of the magnetic field at a distance x from a long straight current - carrying conductor vary with x ?

The correct option is B 1/xThe value of B at a distance x from a long straight current - carrying conductor is proportional of 1/x.(∵B=μ0i2πx)

How does the value of the magnetic field at a distance $x$ from a long straight current - carrying conductor vary with $x$ ?

The correct option is B $1 / x$
The value of B at a distance x from a long straight current - carrying conductor is proportional of $1 / x$ .
$(∵ B = \frac{μ_{0} i}{2 π x})$