ICSE − Q & A

Two metal wires of same material and lengths have radii 1mm and 2mm.
Find the ratio of their resistances.

how can a permanent magnet be demagnetised?

+ 1 more questions by mmks1234  

When we have to cal the current through a resistor in series should we take only the value of the resistor or of the whole circuit?
asked by Mohammed Malik Sharaf (mmks1234) 7 years ago
1

how to find weight of the ruler

I'm not able to understand the 14th question in examples before the exercise 12 (B) of thermionic emission and radioactivity.

+ 1 more questions by shivaanee22  

Why are slip rings used in ac generator??
asked by Shivaanee sharma (shivaanee22) 7 years ago
2

The hammer of an electric strikes 1440 times in a minute and does a work of 0.2J per strike. What is the power of hammer in SI system

http://www.respaper.com/tedgreen/792/9641-pdf.html?cmd=conv http://www.respaper.com/tedgreen/792/8351-pdf.html?cmd=conv
http://www.respaper.com/tedgreen/792/8786-pdf.html?cmd=conv
guys check this paper... idk why it came as 3 separate papers some problem w my phone

Is wave velocity a scalar or vector?

Please someone upload ICSE Analysis of Pupil's Performance 2016 . I cannot download it. Pls upload it or send a screenshot.

What is the difference between right hand thumb rule and right hand grip rule? Or is it the same?

Any place or website where I can find all definitions in one place?