When an electric current produces a heating effect but does not produce a magnetic field....
`(a)`True
`(b)`False

Eddy current are produce when

It is established that an electric current through a metallic conductor produces a magnetic field around it. Is there a similar magnetic field produced around a thin beam of moving (i) alpha particles, (ii) neutrons? Justify your answer.

The electric current passes through a metallic wire produces heat because of :

It is established that an electric current through a conductor produces a magnetic field arount it . Is there a similar magnetic field produced around a thin beam of moving (i) alpha particles, (ii) neutrons ? Justify your answer in each case .

A magnetic field can be produced by

Planets producing larger magnetic field have larger

Statement-1 : A changing electric field produces a magnetic field Statement-2: A changing magnetic field produces an electric field.

What is a cell? How does it produce electric current?

Hard water does not produce lather with soap. True/False

Androgens are produced by Sertoli cells. (True/False)