Recently Active Electricity And Magnetism Questions

*Image* find the Eq. capacitance between A and B?????????? ...

a capacitor of capaxitance c carrying chargeQ is connected to an emf source of emf E.finally the charge on capacitance would be???? ...

the current density across a cylindrical conductorof radius R varies ; j=j0 {1-r/R} ,where r is the distance frm the axis .thus the current density is maximum j0 at the axis r=0 and decreases linearly to zero at surface r=R c ...

H.C.Verma doubts 1) A particle having a charge of 2.0 X 10-4 C is placed directly below and at a separation of 10 cm from the bob of a simple pendulum at rest. The mass of the bob is 100g. What charge should the bob be given ...

can someone give me ideas on how to perform the meterbridge experiment?? i have no idea and i am having practical exam tommorow plz help! ...

what would happen to battery whose terminal negative is earthed ?????????????????????????????????????????????????? ...

*Image* find the Eq. capacitnce between extreme points P amd Q????? ...

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 . ...

*Image* find the Eq. CAPACITANCE BETWEEN A and B ...

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 ...

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 ...

is function of fuse inependent of its length ...

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

*Image* find the electric field at x=5 ...

*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 ...

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* ...

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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1. suppose the potential difference b/w the plates of a capacitor is increased by 20% , the energy stored in capacitor increases exactly by ----------- 2.if the potential difference b/w the plates of a capacitor is increased ...

a parallel plate capacitor ( area = 20 cm2) ( distance between the plates = 1mm) is connected to a battery of 12 V . this separation is then increased to 2mm. We see that no heat was produced. why ?? we can see this by checki ...

two long straight wires with equal cross-sectional radii a are located parallel to each other in air.the distance between their axes equals b.find the mutual capacitance of the wire per unit length under the condition b>&g ...

Find the resistance of the conductor along AB and CD It is a hollow cylinder. *Image* ...

why there is no magnetic lines of force through soft ring placed in a magnetic field ...

why demagnetisation takes place if in an magnet ac is passed throiugh awire wound on it ??????????????????? ...

why power of voltage transmitted from a power house on high voltage ???????????????? ...

what is potential divider????????????????? ...

Are biot-savart law and ampere's circuital law equivalent ???????????? ...

a 5uF capacitor is charged to 12v . the +ve plate of the capacitor is now connected to the -ve terminal of the battery and vice versa. calculate the heat developed in the connecting wires ...

Whats the role of conducting plane? ive seen this term in quite a lot of irodovians but i cant seem to understand it and its role. Can anyone explain it to me? ...