Recent content by Sarrah

Please explain as per your country's norms.

Sir how can one explain with the help of an analogy to a grade 10th student the reason behind not getting a shock on touching the neutral wire of the household AC circuit, even though the current flows alternately through live as well as neutral wires.

Thank you so much sir.

Dear Sir/Madam, Is the product of the refractive index of a medium and speed of light in the medium equal to the speed of light in vacuum? Thank You.

Thanks for the prompt and wonderful replies. I read and re-read the posts and ultimately realized my mistake and got through.

Is this the cable in the attached diagram

Inspite of the nice explanations I am not getting it. So I think I should revise my basics and come back. Thanks a lot.

I am still confused as to which is the correct answer to my question

Thanks but I think a circuit diagram would clarify it even more.

Please explain with the help of the correct circuit diagram.

The second answer would be correct in that case as per my understanding. Still I am confused.

Which is the correct answer to this question. I am confused.

A cable of resistance 12 Ohm carries electric power from a generator producing 250 kilowatt at 10,000 volts. Calculate the current in the cable. Solution using P=VI I=25A but using P=I^2R 250000=I^2×12 I =500/root 12 Amps What is the reason for the different...