ICSE − Q & A

What happens to the resistance when the length of the wire is doubled and area is halved?

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) 8 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.

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?