TargetIIT

large metal sheet carries an electric current along its surface. Charge per unit length is (lamda) Magnetic field near the metal sheet is ;

a) [frac](mu) (lamda)[/]2[/frac]

b) [frac](mu) (lamda)[/]2 (pie)[/frac]

c) (mu)(lamda)

d)[frac](mu)[/]2 (lamda) (pie) [/frac]

[image]43985350.jpg[/image]

the ans given is a

This question is there in HC Verma in solved examples..if u have that book ..then u may refer to it...or else temme i will post the solution...