Recently Active Electricity And Magnetism Questions

(1) *Image* Find the equivqlent resistance between A and B. (2) *Image* Find current in each resisrot. ...

1.Sketch qualitatively the field lines between and outside two concentric conducting spherical cells with uniform +ve charge on inner shell and -ve on outer shell.Consider cases in which both charges are equal ,and one is gre ...

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I never quite understood the concept of electrostatic shielding. In an effort to understand, posted three questions. Pls help in those. Post any thing valid u have in this concept *Image* there is a charge 'q' at P. O is cent ...

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Q.1 In the figure shown , the middle plate is given a charge q. Each plate has an area A and separation b/w adjacent plates is d each. *Image* a) with all the switches open , the energy of the system stored in the region b/w ...

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Pls explain the following VERY BASIC question with REASON / CONCEPT involved in it , the answers are given.... 1. One brass plate is inserted b/w two charges.The force between the two charges will : i. Remain the same ii Incr ...

*Image* Find the VA-VC ...

find the magnetic dipole.....do show the method *Image* ...

Consider 2 IDENTICAL capacitors . One is fully charged and other is fully UNcharged . If both of them are directly connected by a wire of zero resistance , will any charge flow from the charged capacitor to the other ? [ this ...

In a bid to get the basic concept behind capacitors [ I'm weak in this section of electricity and magnetism [17]] , i'm posting a self-made question.CAN ANYONE PLEASE ANSWER TO THESE 3 QUESTIONS : Question : In all the given ...

*Image* Here it is the form of prism..and distance between DE and AH is neglibly small. 1.The direction of magnetic field at the geometric centre of three dimensional prism shaped coil will be 2. if an external magnetic field ...

How to find out the field at a point 'x' distance above an infinite sheet of surface charge density 'd'? ...

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*Image* ans is a) but shouldnt it be b ???? ...

Q: Two charges of charge +2q and +q have masses m and 2m respectively.They are kept in a uniform electric field and allowed to move for the same time. Find the ratio of their kinetic energies : My doubt is to whether to use K ...

Q : A point mass m and charge q is connected with a massless spring of natural length l.Initially spring is in its natural length.If a horizontal UNIFORM electric field E is switched on , : i. Find the separation of the point ...

*Image* Ques 1) Figure shos a long current carrying wire and two rectangular loops moving with velocity v . Find the direction of current. Ques 2) A rod of length L is placed prependicular to a long wire carrying current i. T ...

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what is potential drop??plz explain in ur language.. ...

Sorces of electromagnetic fields are involved in a)∫E.dS=q/ε b)∫B.dS=0 c)∫E.dl=- d∫B.dS/dt d)∫B.dl=μI+με d∫E.dS/dt e)F= 2μI I' l/4πr ...

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what is wheat stone bridge law?explain with an example ...

what is wheat stone bridge law?explain with an example ...

*Image* Capacitance=C, charge in steady state on Capacitor is q. Find V. Should it not be q/v ??? Because steady state means potential of capacitor is same as ext. voltage.... ...

Magnetic dip at a pt is 60°.if the dip circle is rotated through an angle of 90° about its vertical axis,what is the new angle of dip observed? ...

Why Magnetic force on a current carrying loop in a constant magnetic field is Zero? ...