( 1,Wb/m^2 ) is equal to : | Physics | SolveeIt

Question

$1\,Wb/m^2$ is equal to :

$10^4$ gauss

$4\pi \times 10^{-3}$ gauss

$10^2$ gauss

$10^{-4}$ gauss

Answer

$10^4$ gauss

Explanation

Solution

In CGS system, the magnetic field is expressed in gauss.
If a charge of $1 C$ moving with a velocity of $1 m / s$ perpendicular to a uniform magnetic field experiences a force of $1 N$ , then the magnitude of the field is $1 T$ . The SI unit of magnetic field is $Wb \,m ^{-2}$ . Thus,
$1 \,T =1 \,NA ^{-1} \,m ^{-1}=1 \,Wb\, m ^{-2}$
In CGS systems
1 tesla $=10^{4}$ gauss $=1 \,Wb \,m ^{-2}$

Physics Question on Magnetic Field

Solution