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Search results

  1. L

    help in graphs

    it is a must for a graph to cover atleast half of the grid. if the values are big enough so no need to start from zero!!
  2. L

    Annoying Maths Questions

    ax^2 + bx^2 - d^2= p^2 ax^2 + bx^2 = p^2 + d^2 x^2(a+b) = p^2 + d^2 x^2 = (p^2 +d^2)/(a+b) x= square root(p^2 + d^2) /(a+b)
  3. L

    help needed in physics!!

    a rheostat has a central sliding contact....is it always true??
  4. L

    3 word game

    in pocket of
  5. L

    3 word game

    like a penny
  6. L

    help needed in physics!!

    @PlanetMaster: what if 2 resisters of different values are connected to the supply?? thnks everyone!!
  7. L

    help needed in physics!!

    okay....i have another question it says in syllabus abt the description and action of variable potential divider (potentiometer) so can anyone plz tell me?!
  8. L

    Physics M/J 07 QP1

    when switch S is closed the electromagnet(in the relay) becomes magnetised thus allowing the contacts to come closer. lamp 1 turns ON cuz the current flows through it AND lamp 2 also turns 0N bcuz the current flows through it by the ''relay'' and their is a closed circuit so both lamps will...
  9. L

    help needed in physics!!

    u guyz....why thnkz to me?!?! anywayz welcome!! :roll:
  10. L

    help needed in physics!!

    thank you soo much!!!
  11. L

    IGCSE MATHS HELP NEEDED!!!!

    e.g. there are 100 ppl in a restaurant........ range frequency cumulative frequency 0<x<5 10 10 5<x<10 13 23(we add 13 and 10) 10<x<20 39 62(we add 39 and 23)...
  12. L

    help needed in physics!!

    can anyone help me abt c.r.o(Cathode Ray Oscilloscope) okay i know abt the thermo ionic emission and the X and Y plates bt i need to know tht how is c.r.o connected and how is it used, and hw is the graph made on it?? thnks ;)
  13. L

    physic paper 6

    hmmmm....... for the graph----u hav to write the units on each axis -------------------plot points on the graph -------------------MAKE SURE THT UR GRAPH COVERS MORE THAN HALF!! -------------------make a thin straight/curve line using a sharpened pencil for the circuit drawings--------make sure...
  14. L

    chemistry

    both electrodes are made up of graphite(carbon). so its (D)
  15. L

    Chemistry O/N 2006 Paper 3

    fat 1 is unsaturated cuz it has less hydrogen thn fat 2 so therefore it can decolourize the bromine water! so wat u said was right!! :)
  16. L

    M/J 2009 Chemistry

    ok...it says wat happens to the REACTANTS!!so we jst look at the reactants (not the products) N2 is oxidised as it gained oxygen NO is also oxidied as it gained oxygen to become NO2 And O3 is reduced as it lost an oxygen atom to become 02 so its (B) :)
  17. L

    Help needed in Bio

    FOR WASHING POWDERS-----the microorganisms(bacteria and fungi) are first loaded into sterile fermenter with feedstock(nutrients) and air(oxygen) at 26oC and pH5-6. the microorganisms produce enzymes(protease/lipase/amylase) which can be extracted by 2 methods. 1)if they are extracellular...
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