A current `I` flows through a cylindrical rod of uniform cross-section area `A` and resistivity `rho`. The electric flux through the shaded cross-section of the rod as shown in figure is

A current i passes through a wire of length l , radius of cross-section r and resistivity rho . The rate of heat generation is

A current i passes through a wire of length l , radius of cross-section r and resistivity rho . The rate of heat generation is

A stready current i is flowing through a conductor of uniform cross-section. Any segment of the conductor has

A stready current i is flowing through a conductor of uniform cross-section. Any segment of the conductor has

Assertion : Current I is flowing through a cylindrical wire of non-uniform cross-section as shown. Section of wire near A will be more heated compared to the section near B. Reason : Current density near A is more.

Assertion : Current I is flowing through a cylindrical wire of non-uniform cross-section as shown. Section of wire near A will be more heated compared to the section near B. Reason : Current density near A is more.

Assertion : If a current is flowing through a conducting wire of non-uniform cross-section, drift speed and resistance both will increase at a section where cross-sectional area is less. Reason : Current density at such sections is more where cross-sectional area is less.

Assertion : If a current is flowing through a conducting wire of non-uniform cross-section, drift speed and resistance both will increase at a section where cross-sectional area is less. Reason : Current density at such sections is more where cross-sectional area is less.

Current is flowing through a wire of non-uniform cross section. Cross section of wire at A is les than the cross section of wire at B. Then match the following

Current is flowing through a wire of non-uniform cross section. Cross section of wire at A is les than the cross section of wire at B. Then match the following