Recently Active Physics Questions

Does a galavanometer have negative and positive terminals ?Please consider both cases : 1. Ideal galvanometer 2. Real galvanometer Please provide an explanation with your answer . ...

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*Image* a man is standing in a box on a weing machine as shown , if the weight of box is 30 kg and that of the man is 60 kg , find out the weight of the man shown by the machine when he just manages to keep the sysytem in equ ...

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the figure shows an infinite arrangement of equilateral triangles........the resistances on each half of a side of a triangle goes on becoming (1/2) as the arrangement delves inside...........you have to find the equivalent r ...

A sphere of weight W=100 N is kept stationary on a rough inclined plane by a horizontal string AB as shown in the figure.Find- a.tension in the string . b.force of friction on the sphere and c.normal reaction on the sphere by ...

A man can swim directly across a stream of width 100m in 4 minutes when there is no current and in 5 min. when there is current.the velocity of current is? ...

If u like electricity pls solve these for me.These are H.C.Verma sums dat i have got stuck onto. 1)Two identical particles each having a charge of 2X10-4C and mass of 10g, are kept at a separation of 10cm and then released.Wh ...

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*Image* find the work done to move a charge from A to B and A to C.there is a charge at centre q........... ...

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*Image* this is an ellipsodial cavity inside a conductor ....what can u say about charge densities and electric field at A and B. also compare them ...

two semi circuar conducting plates are fixed parallel to each other and are a distance d apart in between them a dielectric in form of semicircle of same radius and thckness d is places and its free to rotate about its center ...

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*Image* what significance does the horizontal spacing in this question have?(i mean regular and irregular spacing) also please give the answer to part c with explanantion. ...

at wat value of the resistance Rx in the circuit shown in the fig. will the total resisitance bet. pts A n B be independent of the no. of cells??? *Image* ...

*Image* the book says ans to part (b)is unanswerable but i am getting an answer ...

A ball of mass m is moving horizontally with a constant velocity v towards a rigid wall.The wall is moving perpendicular to the direction of motion of ball with a constant speed u. Assuming elastic collision between the ball ...

A simple pendulum consists of a bob of mass 'm' attached to a string of breaking strength double the weight of the bob. The bob is released from rest vertically when the string is horizontal. The string breaks when it makes a ...

A thin metal plate P is inserted between the plates of a parallel-plate capacitor of capacitance C in such a way that its edges touch the 2 plates.The capacitance now becomes, (a)C (b)2C (c)0 (d)∞ Ans given is ∞ but ∞ m ...

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