The linear charge density of a uniform semicircular wire varies with `theta` shown in the figure as `lambda=lambda_(0)costheta` if `R` is the radius of the loop ,of the charge on the wire is

If linear charge density of a wire as shown in the figure is lambda

the linear charge density of a thin metallic rod varies with the distance x from the end as lambda=lambda_(0)x^(2)(0 le x lel) The total charge on the rod is

the linear charge density of a thin metallic rod varies with the distance x from the end as lambda=lambda_(0)x^(2)(0 le x lel) The total charge on the rod is

The linear charge density on a dielectric ring of radius R vanes with theta as lambda = lambda_0 cos theta//2 , where lambda_0 is constant. Find the potential at the center O of the ring [in volt].

The linear charge density on a dielectric ring of radius R vanes with theta as lambda = lambda_0 cos theta//2 , where lambda_0 is constant. Find the potential at the center O of the ring [in volt].

For the hemisphere of radius R shown in the figure the surface charge density sigma varies with theta (shown in figure) as sigma=sigma_(0) costheta the total charge on the sphere is

If linear charge density of a wire of length L depends on distance x from one end as lambda=(lambda_(0)(x))/(L .Find total charge of wire :-

A circle of radius 'a' has charge density given by lambda= lambda_(0)cos^(2)theta on its circumference. What will be the total charge on the circle ?