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  1. Ali_00921

    Physics: Post your doubts here!

    Why does a capacitor store energy but not charge? Thanks In Advance. :D
  2. Ali_00921

    Physics: Post your doubts here!

    May June 2013 52. Q1. Can someone draw.the.diagram. Please. Thank You In Advance :)
  3. Ali_00921

    Physics: Post your doubts here!

    How do I justify Significant Figures?
  4. Ali_00921

    Physics: Post your doubts here!

    Din't get the λ part..
  5. Ali_00921

    Physics: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Physics%20(9702)/9702_s07_qp_2.pdf Q.5 b(ii)?? Kindly.. Thanks in Advance
  6. Ali_00921

    Physics: Post your doubts here!

    Aaaahhh, now i get it.. Thank you so muchh!! But what if we have constant velocity increase in a VELOCITY-TIME GRAPH, can we use the formula (a=v-u/t)?
  7. Ali_00921

    Physics: Post your doubts here!

    Kindly, can someone explain the relation between acceleration and velocity? And how to find acceleration from a velocity time graph?? Thank's in advance fella's
  8. Ali_00921

    Physics: Post your doubts here!

    Naahh.. Din't get it.. From these equations how can we find the value of T1 and T2?
  9. Ali_00921

    Physics: Post your doubts here!

    T1sin50° + T2sin40° = 7.5 .. HOW DO I FURTHER SOLVE THIS TO FIND THE VALUE OF T1 AND T2?
  10. Ali_00921

    Physics: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge International A and AS Level/Physics (9702)/9702_w11_qp_23.pdf ...... QUESTION NO. 1(D)... HOW TO DETERMINE T1 AND T2 THROUGH VECTOR DIAGRAM... THANKS IN ADVANCE
  11. Ali_00921

    Physics: Post your doubts here!

    But why (0.5+0.5)
  12. Ali_00921

    Physics: Post your doubts here!

    A thermometer can be read to an accuracy of ± 0.5 °C. This thermometer is used to measure a temperature rise from 40 °C to 100 °C. What is the percentage uncertainty in the measurement of the temperature rise? A 0.5 % B 0.8 % C 1.3 % D 1.7 %............. THANKS IN ADVANCE
  13. Ali_00921

    How was Chemistry P1/2

    what was the concentration for Potassium Hydroxide? And what is balanced equation for sulphuric acid and potassium hydroxide?
  14. Ali_00921

    Physics ATP; 24 hours passed

    I wrote South Too... But Ma friends were telling the compass usually points towards North always? Is that true?
  15. Ali_00921

    Physics ATP; 24 hours passed

    Sides of the magnet were South South OR North North??
  16. Ali_00921

    Biology; Chemistry; Physics: Post your doubts here!

    how to measure the thickness of a concave and a convex lens? From (Top/Bottom) or In the Middle?
  17. Ali_00921

    How was economics??

    What did ya people write for adv and dis-adv for a new firm in the foreign market?? as is it in foreign market then surely it is a large firm...so i wrote about economies of scale...is it write?
  18. Ali_00921

    Accounts; Economics; Business; Post your doubts here!

    What is Lateral Interegation? Example What are the drawbacks of Trade Unions?
  19. Ali_00921

    Biology; Chemistry; Physics: Post your doubts here!

    Magnetic field is from right to left yea? And ain't there any difference in the diagram of ac and dc motor? Thank ya so much..
  20. Ali_00921

    Biology; Chemistry; Physics: Post your doubts here!

    Difference between Ac and Dc motors... how can we use Fleming's left hand rule in these motors??
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