Recent content by mahima

  1. M

    Why should a series motor always start with a load?

    Why should a series motor always start with a load? Why should a shunt motor always start without a load?
  2. M

    How much time does it take to warm 2 litres water

    A resistance of 5(ohms) is connected to a 100V supply. If this resistance increase with temperature of 1 litre of water in 10 minutes by 1(oC-degree celsius), how much time it will take to increase temperature of 2 litres of water by 1(oC) if voltage is increased to 200V... Can I have an...
  3. M

    Young's Modulus of Simply Supported Beam: Is it True?

    The young's modulus of a simply supported beam is given as E= (11/768)*(WL^3)/(I*Y)... where W=Weight of the load L=Length of the beam I=Moment of inertia Y=Deflection Is this true?