Recently Active Physics Questions

Can we get expression for magnetic field due to a straight current carrying wire:- μi(cos θ1-cosθ2)/4dπ using ampere's law? Please prove... ...

*Image* A parallel plate capacitor of area A and seperation d is filled with two wedges of dielectric of constants K1 and K2. What is the equivalent capacitance? ...

tell me the source from where i can get some idea about "dependence of electric and magnetic fields on the basis of reference frame" ...

cum on X /IX USE THE FORUM ...

*Image* plese tell me how to solve this prob(HCV) Q:find M such thatthe block m appears to be in rest w.r.t. M'.assume wedge angle to be θ ...

Show that in an electric circuit when a current gets divided into a number of branches it does so in such a way that the heating effect is minimum? ...

Can a billiard ball inside a cube bounce off every wall once and return to its starting point? JUst a puzle for those who are free..... ...

is 0.1010010010001........ a rational or irrational number? ...

A cell of voltage E is connected to 2 batteries of resistance R each. Everything is connected in series. A capacitor of capacitance C is connected parallel to one of the batteries of resistance R.The switch is closed at t=0. ...

Stmnt 1: The flux through a gaussian surface that encloses a capacitor is zero Stmnt 2: The battery sends equal amounts of positive and negative charges to the two plates of an uncharged capacitor ...

when i will receive my next phase? what about the books of physics,chemisty? ...

A small charge q is place at the corner of a cube.Find out the flux passing through each side of the cube . ...

Q. Two spheres of radii R1 and R2 are connected by a wire. What is the equivalent capacitance of this system ...

plz explain me how rotation will occur if we rotate a rectangular loop about 1. length 2.,breadth 3. perpendicular to breadth . 4. perpendicular to length 5.perpendicular to plane of loop also of a circular loop abot diameter ...

*Image* Find the equivalent resistance of the following group of resistances between A and B. Each resistance of the circuit is R ...

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If a mass is ejected from a system moving with a constant velocity ,in a direction opposite to the system's motion then what will be the direction of the thrust force acting on the system and how to decide the direction? ...

A very thin round plate of radius R carrying a uniform surface density x is located in vaccum. At a dist l from the platers centre (along its axis), find the field and potential.... ...

how is d wavelength nd d frequency related 2 stoppin potential? xplain ur answer plz ...

from a supply of identical capacitors rated 8μF, 250 V ,the minimum number of capacitors required to form a composite 16μf ,1000V capacitor is???????????? ...

if V=0,E must be zero..................... is above statement correct?? ans. is it is incorret................but why i can't get it............if we differentiate a constant we get zero only na.............then y...........p ...

I'm a IXth student.Plz explain me tyndall effect and why the colloidal particles move towards and electric field. Plz explain me in a way i can understand??? ...

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A horizontal plank having mass m lies on a smooth horizontal surface.A sphere of same mass and radius r is spined to an angular frequency w0 and gently placed on the plank as shown in the figure.If coefficient of friction bet ...

*Image* This is an equilateral triangle of side "a". The equivalent resistance between AB, BC and CA is R. the inner triangle is of length a/2 and resistance R/2. This continues till infinity. Find the equivalent resistance b ...

A thin wire ring of radius R carries a charge q. The ring is oriented parallel to an infinite conducting plane and is separated by a distance l from it. Find: (a) the surface charge density at the point of the plane symmetric ...

*Image* Mass of the pulley is M.Tension in the rope is T.The radius of the pullry is R.Now the torque due to T is TR; but it is said that this torque will rotate the pulley anti-clockwise and hence it is positive. HOW? ...

1) Solve the inequality for real values of x: | x-3/x2-4 |≤ 1 (entire under mod) ...

I have submitted a few doubts a couple of weeks ago. And still now they have not been cleared.It is also cum 2 my notice dat this section has bcome quite inactive.I request the Edudigm mentors to kindly solve the doubts at th ...

Please see the image.... *Image* I cant understand where i hav done the mistake as i am not getting the answer.....plz help ...