Subject: Physics, asked on 5/4/16

## the magnetic flux through a stationary loop with resistance R varies during interval of time T as pyi = at (T-t). The heat generated during this time neglecting the inductance of loop will be

Subject: Physics, asked on 7/4/16

## A thin rod AB of length l is kept vertical on a horizontal floor such that end A is in contact with floor. If the rod is allowed to fall without slipping at end A, then its angular velocity just before hitting the ground is?

Subject: Physics, asked on 26/11/14

## a 50g bullet moving with velocity of 10m/s gets embedded into a 950g stationary body.The loss in kinetic energy of system will be(A)95%(B)100%(C)5%(D)50%

Subject: Physics, asked on 3/3/14

## a disc rotating about its axis from rest , aquires the angular speed 100rev/s in 4 sec. the angle rotated by it during these 4 sec.( in radian) isans: 400plz xplain how?

Subject: Physics, asked on 27/3/18

## Solve this: 2. Two particles of masses 2 kg and 4 kg are thrown from the top of a tower such that first is vertically upward and second is at angle 45o above horizontal. Acceleration of the centre of mass of two particle system is.

Subject: Physics, asked on 25/4/18

## Solve this : Subject: Physics, asked on 3/9/18

## a wire of fixed length is wound on a solenoid of length l and radius r . its self inductance is found to be L. now if same wire is wound on a solenoid of length l/2 and radius r/2, then self inductance will be (Answer 2L)

Subject: Physics, asked on 24/2/18

## A 15microfarad capacitor is connected to a 220V, 50Hz source. Find the capacitive reactance and current (rmsand peak) in the circuit. If frequency is doubled, what happens to capacitive reactance and current?

Subject: Physics, asked on 19/11/14

## The ratio of radius of gyration of a circular disc about a tangential axis in the plane of the disc and a circular ring of the same radius about a tangential axis in the plane of the ring is

Subject: Physics, asked on 2/8/14

## A simple pendulum with bob of mass m and conducting wire of length L swings(is hanging ) under gravity thro' an angle 2theetha.The earth's magnetic feild component in the direction perpendicular to swing is B.the max potential diff induced across pendulum is?

Subject: Physics, asked on 6/12/17

## Q.2. An electron along vertical line and towards observer, the pattern of concentric circular field lines of magnetic field which is produced due to its motion :- (1) ACW, In horizontal plane (2) ACW, In vertical plane (3) CW, In horizontal plane (4) CW, In vertical plane

Subject: Physics, asked on 22/11/14

## two rods of equal length(l) and equal mass M are kept along x and y axis respectively such that their centre of mass lie at origin.the moment of inertia about an line y=x,is

Subject: Physics, asked on 23/9/14

## "A bullet of mass 0.01 kg and travelling at a speed of 500m/s strikes a block which is suspended by a string of length 5m. The centre of gravity of the block is found to rise a distance of 0.1m. What is the speed of bullet after it emerges from the block?"

Subject: Physics, asked on 30/7/12

## if a magnet is suspended at an angle 30 degree to the magnetic meridian the dip needle makes angle of 45 degree with the horizontal. the real dip is ??

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