Recent content by prat

an 8 pole 3 phase alternator is coupled to a prime mover running at 750 rpm.it supplies an induction motor which has a full load of 960rpm find the number of poles of the motor and the slip i think the induction motor would work as a generator we can find slip by usin s=(ns-nm)/ns where...

is solid carbon dioxide(dry ice) soluble in water

current is flowing from east to west in a wire.so the magnetic field due to point directly above the wire is i think the point is on z axis

a person is sitting in boat which is floating in water he drinks water by lowering himself from the boat will the water level rise and why i am not getting the question Homework Equations The Attempt at a Solution

can you be more descripitive or suggest any way to solve the problem not understanding a bit

a rod is vertically placed in x-y plane a slight disturbance is given to it so that it is inclined at an angle (90-a) with the horizontal. find the acceleration of the centre of mass i think that the path followed by the centre of mass would be elliptical so its acceleration can be gsina

a precipitate of agcl and agbr weighs 0.4066gm on heating in a current of chlorine the agbr is conveted to agcl and the mixture loses 0.725gm in weight.find the %cl in original mixture i tried it from the reaction 2agbr+cl2-2agcl+br2 is the problem on limiting reagent?please help

Homework Statement if there is a circuit in which switch is open and ammeter reading is 1.2A THERE ARE THREE RESISTORS PARALLEL WHO HAVE SAME RESISTANCE.WHAT WILL BE THE CURRENT WHEN THE SWITCH IS CLOSED Homework Equations The Attempt at a Solution

Homework Statement if the diameter of wire is doubled will there be any change in length of wire Homework Equations The Attempt at a Solution

how to know the defect of vision if power of accomodation of eye decrease or increase Homework Equations The Attempt at a Solution

the near point and far point of an eye are 35cm and 300cm respectively.what is power of lens so that the person can see objects at 25cm .with this lens what is the maximum distance he can see. f=xd/x-d p=1/f in m i could only solve the first part of the problem.p=1.14d...