Recently Active Physics Questions

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Current is scalar or vector???? ...

*Image* post ur working too!!!! ...

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*Image* *Image* is the acceleration= M'g/[M+m+M'] correct?????? ...

The space between the plates of a parallel plate capacitor is filled consecutively with two dielectric layers 1 and 2 having the thicknesses d1 and d2 and the permittivities ε1 and ε2 respectively. The area of each plate is ...

Transverse waves can be propagated only in solids.Then , why waves in an ocean are a combination of longitudinal and transverse waves? ...

*Image* wat is difference in two cases..............why in one case we take tension on two sides as same and y in other as different on two sides>??????????? ...

*Image* prove that the tension in the two parts of the string are equal!!!!!! ...

*Image* solve the 3.20 ...

If two bulbs of 25 W and 100 W are rated @ 200V are connected in series across a 440 V supply then-- A. 100 W bulb will fuse B. 25 W bulb will fuse C. none of the bulb will fuse D. both the bulbs will fuse Pls show working. ...

Its just to find the eqn of this....in rest *Image* ...

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what is the electrostatic potential at a distance r from the center of a charged metallic sphere of radius R(r<R).................Plz show thw graph of potential with distance also. ...

Plz explain Which of the following functions of time represent (a)simple harmonic (b) periodic but not simple harmonic and (c) non-periodic motion ? Give period for each case of periodic motion ( ω is any positive constant) ...

what is the 1000th term of the series 1,2,2,3,3,3,4,4,4,4... ...

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the plates of a parallel plate capacitor are charged upto 100 v .a 2mm thick insulator sheet is inserted btn plates . to maintain same potential diff .the distance btn plates is in creased by 1.6mm. the dielectric constant of ...

what do u mean by sinusoidal function? ...

Plz explain "a swimmer completing one(return) trip from one bank of a river to the other and back " ............ Why is it not periodic? ...

A car accelerates from rest at a constant rate a for sometime after which it decelerates at a constant rate b to come to rest. If the total time lapse is t second.then the max. velocity reached is: a) abt2/a+b b) abt/a-b C) a ...

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Q1)A heavy iron bar of weight W is having its one end on the ground and other on the shoulder of a man.The rod makes an angle θ with the horizontal.What is the weight experienced by the man? a)W sinθ b) W cosθ c)W d)W/2 Q2 ...

hello, need ur help cos i m very confused!! i dont know wat choices shd i fill in for counselling at air 94000(air) and 68000(category air) i m frm general category i also want to know wich college can i xpect to get thru aie ...

Can nyone pls explain the concepts involving ammeter and voltmeter? Also explain y they give lower reading than actual ...

we know that the electric field of a straight lamina with zero thickness (i.e. an infinite planar sheet) is EF = surface charge density 2 epsilon now, surface charge density and epsilon are constants. this means that " In an ...

convert the following physical quantity-5 units of commercial electrical energy into kwh and joules! ...

A charge of 200 μC is imparted to each of the 2 identical parallel plate capacitor connected in parallel. At t=0, the plates of both capacitors are placed 1 m apart. The paltes of 1st capacitor moves towards each other with ...

*Image* the size of the loop is reduced by pulling at the wire shown with constant velocity v.B is the magnetic field.At the given instant,the induce emf accross the loop is???????? a.Bvr (r is the radius at the given instant ...