Physics question and answers for February 05, 2024
- Q 23 A solid conducting sphere of radius 10 cm is enclosed by a thin metallic shell of radius 20 cm A charge q 20 C is given to the inner...
- Q D3 5 A point charge of 0 25 C is located at r 0 and uniform surface charge densities are located as follows 2 mC m at r 1 cm...
- Q A small coin is resting on the bottom of a beaker filled with liquid A ray of light from the coin travels upto the surface of the liquid and moves...
- Q 7 Point charges q and q are located at the vertices of a square with diagonals 21 as shown in Fig 3 1 Find the magnitude of the electric field...
- Q 0 The kinetic energy of the system of charges left free after long time is 1 Zero 2 Cannot be produced 3 3 kq a u 4 kq a AR...
- Q 83 A large sheet carries uniform surface charge density o A rod of length 21 has a linear charge density on one half and on the second half The rod...
- Q 99 A charge distribution that is spherically symmetric but radially not uniform produce an electric field of magnitude E kra radially outward from the centre of the sphere here k...
- Q the identical charges each of 1 0 c are placed at the corners of an equilateral triangle of side 10cm the electric field intensity at the centre of triangle is...
- Q 89 A point charge q 30 C is kept at a distance 3R from the center of a neutral conducting sphere radius R as shown in the figure When the...
- Q 9 An infinite number of identically charged bodies are kept along the x axis at points 0 1m 2m 4m 8m 16m and so on All other charges repel the...
- Q A charge is uniformly distributed in a spherical volum of radius R The electric field at distance r r R from its centre is proportional to r 1 r 2
- Q A particle A of charge q is placed near a uniformly charged infinite plane thin sheet with surface charge density o then it experiences a force F When this particle...
- Q A point charge q0 moves from point A to B in semicircular path of diameter 2a then to point C in a semicircular path of diameter a and finally to...
- Q A small charged pith ball moves on a smooth table towards an oppositely charged metal ball that is held place on the table Which of the curves shown in figur...
- Q An electric dipole consists of two electric charges of 1 0 C and 1 0 C separated by a distance of 2 0 cm The dipole is placed in an...
- Q A parallel plate capacitor is connecte from a cell and then isolated from it Two dielectric slabs of dielectric constant K and 2K are now introduced in the region between...
- Q An insulated conductor initially free from charge is charged by repeated contacts with a plate which after each contact is replenished to a charge Q from an electrophorus If q...
- Q 14 A particle of mass 2 kg and negatively charged is released form very large distance along the tunnel diametrically of uniformly positively charged spherical distribution as shown in figure...
- Q 2 If the potential energy of the system is 50 J then the work done in taking charges 2 and 23 from infinity to given positions is a greater than...
- Q A Circular ring of radius 3a is uniformly charged with charge q is kept in x y plane with center at origin A particle of charge q and mass m...
- Q An electric dipole is placed at the centre of a sphere Which of the following is correct 1 The electric flux through the sphere is zero 2 The electric field...
- Q Two positrons e and two protons p are kept on four corners of a square of side a as shown in figure The mass of proton is much larger than...
- Q Q6 Two like charges 5cm apart are repel each other with a force of 4 2 10 3N If one charge is 100 C what will be the other
- Q hollow conducting 21 Consider an initially neutr spherical shell with inner radius r and outer radius 2r A point charge Q is now placed inside the shell at a distance...
- Q A dipole with a dipole moment of magnitude p is in stable equilibrium in an electrostatic field of magnitude E Find the work done in rotating this dipole to its...
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