any economics students?? |
|
asked by Aryan Kapoor (aryan9917) 6 years ago | |
0 |
Why is soft iron core used in a D.C. Motor and an A.C. Generator? Can it be because of soft iron's high magnetic permeability and low retentivity? |
|
asked by RaBh (rahulbhardwaj2002) 6 years ago | |
2 |
Explain why it appears that energy released in fusion is less than fission, but it is not so. |
|
asked by Pratham Shah (pratham2313) 6 years ago | |
1 | |
The power rating of an electric bulb is 40W 220 V. Find the power when the potential difference is reduced to 200V --- My answer is approx. 33 W, is it right? |
|
asked by Ragini Jain (adityajain1234) 6 years ago | |
5 |
What is the principal of magnifying glass? |
|
asked by Nehal G (nehalg) 6 years ago | |
1 |
Should we learn value of wavelength and frequency for red to violet(all colours). |
|
asked by Paul Stefen (japaul) 6 years ago | |
2 |
Are we supposed to memorize terms related to Lenses? |
|
asked by Siddhant Joshi (siddhant94) 6 years ago | |
2 |
if they ask ri to find then we should do u=speed in vacum /speed in medium or aUm = speed in vacum /" |
|
asked by Somay Vaidh (somay2003) 6 years ago | |
2 |
a calorimeter of mass 50g and specific heat capacity 0.42J/gC contains water at 20C a piece of metal mass 20g and specific heat capacity 0.3J/gC at 100C is added, the final temperature is 22C find the mass of water used |
|
asked by Rajni Rastogi (arnav21) 6 years ago | |
3 |
Hey guys Problems related to lens are not there in the scope do we have to do? The formula 1/v - 1/u = 1/f . These sums are not there in scope |
|
asked by Panna Thakkar (panna2431) 6 years ago | |
3 |
Page 207 |
ICSE chat