Recent content by Abdul Majid

That is perhaps in 4e of griffth. Not that convincing i think.

That is right but many authors contradict with that,they still say that magnetic fields do no work like David j griffth has said in his book.

Using electromagnets

Crane pulling a car.

Magnetic field do no work. Is this always true? If so then what is the explanation of that crane thing?

Yes i have made a mistake in writing title in hurry. N yes that is a separate question. N thanks for ur precious time i got my answer.

What do we mean by strength of dipole?

Dipole moment is the measure of strength of electric dipole and is equal to product of either charge and distance between two charges. P=ql but as we know when charges are close the force b/w them is strong n when they are far away force decrease. But in above equation strength increases with...

Thanks i got it now.

Sorry! Correct me if i m wrong. Everything above absolute zero radiates. So wht happens during clouds is that water radiates in upward direction,but at the same time it absorbs radiation emitted by clouds with the result it won't freeze.

Yes that is right. So wht is answer of my question

u mean radiation will be reflected back by clouds

yes i do. Convection conduction n radiation.

hi everyone I'm new here. Need some time to adjust. I'm from Kashmir. In winter water on Earth freeze when sky is clear,but if there r clouds out there water does not freeze. Why is it so?