Recently Active Physics Questions

*Image* MENTION: I got the answer mgr but by straight forward method only. I tried hard but found no way to solve without integration? If anyone can suggest me something in that area, then please do so.! ...

Can anyone suggest a good book for differential calculus for IITpreparation besides Arihanth?? ...

A metal cylinder of 5kg is heated electrically by a 20W heater in a room temp. of 20c. The cylinder temp rises and finally becomes constant at 45C. Assuming rate of heat loss is proportional to the excess temp over surroundin ...

*Image* Q18 (HCV). Figure shows a typical circuit for low-pass filter. An AC input Vi=10mV is applied at the left end and the output Vo is received at the right end. Find the output voltages for ν= 10kHz, 100kHz, 1.0MHz and ...

plz can someone explain me how the charges are distributed in conductors placed side by side . i know i am going wrong somewhere but yet not able to understand . sample question 3 conductors- A B C +Q 0 -2Q Find final charge ...

*Image* find the equivalent capacitance between 'a' and 'b' ..they are obviously connected to a battery. ** E of the battery isn't given. please help me out with this ques friends. my sir did this using kirchoffs loop law..i ...

*Image* The question:- In the arrangement m1=1kg m2= 2kg. Pulleys are massless and strings are light.For wat value of M the mass m1 moves with constant velocity?? A) 6 kg B) 4 Kg C)8 Kg D)10Kg In the 2nd pulley left one is m2 ...

A spiral of two turns with inner radius R and outer radius 2R is placed as shown in figure. Find magnetic field at the centre of spiral. *Image* ...

a rod of length l,mass m is hinged at origin and is slightly tilted at angle θ as shown *Image* we expect it to rotate in the clock wise direction but the torque about the orgin due two both halves is same in magnitude =mglc ...

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Q1. In a uniform magnetic field of induction B, a wire in the form of a semicircle of radius r rotates about the diameter of the circle with an angular frequency ω. The axis of rotation is perpendicular to the field. If the ...

Q: Two fixed charges " +q " and " -q' " are shown as in the figure. A field line emerges from +q charge at an angle ' α '. Find the angle at which it terminates at the other charge. *Image* Note: | +q | ≠| -q' | Please pos ...

I have done in rotation a Problem where we put a rotating Disc on horizontal rough platform, find the Average Torque and then solve the equation. Even the ring one is also easier. But How do I do it when there is a square sin ...

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can pl smeone tell me a gud way to find consraint relations cz in mst prblms i can figure it out by common sense but there must be a proper "theoretical" way ...

I`m having problems understanding LC oscillations........Can someone please explain????hcverma n resnick halliday is not helping me..... ...

why a accelarated charged body produce electromagnetic radiation??????????? ...

have anyone recieved aieee original score yet?? can we report at the reporting centre with the internet version of the score card? ...

2 concentric thin meatallic shells having radi R and 2R carry net charges Q and 2Q resp. Draw the charge distribution. *Image* ...

Can any1 tell me y moon attracts water bodies nd nt humans??..The weight of 1 human is mch less den the weight of water bodies.... ...

i was good enough in physics upto the mechanics part... but now im facing a lot of problems in electrostatics from the electric potential part and those questions like when 2/more charged conducting plates are kept facing eac ...

Subhomoy da you know this is directed towards you. So you please explain what the method of image charges is and how it can be used to solve problems. Everyone and anyone else is also invited to take part! ...

Q. A particle of mass m having negative charge q moves along an ellipse around a fixed positive charge Q so that its maximum and minimum distances from fixed charge are equal to r1 and r2 respectively.Calculate the angular mo ...

*Image* hints and helps only ... ...

"Friction always acts upwards regardless of a spherical body rolling up or down a plane": Is the above statement true?please explain. ...

Hi guys, this is the legendery book I E IRODOV problems in general physics and its solution manuals written by Dr.Singh...... hope you people enjoy solving those problems. http://www.duckload.com/download/5409391/singh-1.pdf ...

There are to points A and B on the earth surface at equator separated by 1000km.An aeroplane flying at a constant speed of 500km/h goes from A to B directly and then B to A directly. How much will it take in each case. ...

Consider these two explanations for this result, energy stored in a capacitor = 1/2 CV2 ! Explanation 1: Suppose the plates of capacitor of surface area A and charged with charges +Q and -Q are almost in contact. Now, the pla ...

Q. A metal sphere of radius R is charged to a potential V. a) Find the electrostatic energy stored in the electric field within the concentric sphere of radius 2R. b) Show that the electrostatic field energy stored outside th ...

List all the differences b/w ideal and perfect gas! ...