Physics question and answers for February 06, 2024
- Q 3 A battery maintains the electrical potential difference of 60N BE arallel metal plates separated by 10 mm What is the strength of the A 8 0 V m B...
- Q Consider a uniformly charged solid cube of side a and volume charge density p The centre of cube 1 41E0 O and one of vertex is A The potential at...
- Q shell with inner ing sph A small conc radius a and outer radius b is concentric with a larger conducting spherical shell with inner radius c and outer radius d...
- Q 36 180 The distance of closest approach of an a particle fired towards a nucleus with momentum Pis ro If momentum of a particle is 2p the corresponding distance of...
- Q 13 A thin spherical insulating shell of radius R carries a uniformly distributed charge such that the potential at its surface is V A hole with a small area a4R...
- Q A charge q is placed along a line segment joining two charges Q and 4Q The system of the three charges will be in equilibrium if q is equal to...
- Q There are two current carrying planar coils made each from identical wires of length L C is circular radius R and C is square side a They are so constructed...
- Q 17 An oil drop carrying charge of 2 electrons has mass 3 2 10 kg It falls freely in air with terminal velocity The electric field required to make drop...
- Q 28 An uncharged conducting ball is suspended by a thread A charged conducting ball is brought very close to it The uncharged conducting ball will A Not be attracted or...
- Q A long straight metal rod has a radius of 4 60 cm and a charge per unit length of 21 0 nC m Find the electric field at the following...
- Q 2 A particle of mass 2 gm and charge 1 C is held at a distance of 1m from a fixed charge of 1 mC If the particle is released...
- Q an electron with an initial velocity of 3 2 x 106 m s is projected into a uniform electric field in the direction of the field If at the time...
- Q A Q 87 R B 167 R 3Q 167 R D 3Q 32 R 17 A uniform rod of length 2L is carrying a linear charge density and is placed...
- Q Two charges of equal magnitude q are placed in air at a distance of 2a apart and third charge 2q is placed at mid point The potential energy of the...
- Q x L Calculate the potential at point P 0 y Calculate the electric field at P 8 Two rings of radii R and 2R are carrying equal linear charge density...
- Q Two charges of magnitude 5 nC and 2 nC are placed at points 2 cm 0 0 and x cm 0 0 in the region of space There is no...
- Q A thick spherical shell with inner radius 2R and outer radius 4R has uniform charge density p The shell also has a spherical cavity of radius R centered at B...
- Q 5 For point charges q and q separated by a distance 2a the field on their equatorial plane at a distance r from their mid point is a c 2qa...
- Q Consider a non spherical conductor shown in the figure which is given a certain amount of positive charge The charge distributes itself on the surface such that the charge densities...
- Q 44 180 Two charges of equal magnitude q are placed in air at a distance of 2a apart and third charge 2q is placed at mid point The potential energy...
- Q 108 Two concentric conducting spheres having rad a and b are charged to q and 92 respectively The potential difference between 1 and 2 will b 92 91 a 4ne...
- Q 2 radius TL Figure shows a neutral metal ball of mass 50 kg and m placed on an insulating horizontal surface An upward electric field of strength 5 10 N...
- Q The charge density on the surface of a conducting sphere is 64 10 7 C m and the electric intensity at a distance of 2 m from the centre of...
- Q A solid conducting sphere of radius 10 cm is enclosed inside a thin metallic shell of radius 20 cm A charge of 1 C is given to inner sphere How...
- Q An oil drop has a charge 9 6 x 10 C and has a mass 1 6 x 10 5 g When allowed to fall between horizontal plate of uncharged...
- Q 16 180 Mark for Review 02 57 hr min Figure shown are imaginary cube of side a A uniformly 3a charged rod of length moves towards right at uniform 2...
- Q A ring with uniform distribution of charge q and radius a is placed in Y Z plane with its centre at origin The electric field at origin is Potential at...
- Q between them is X 10 m 7 An infinite number of charges each of magnitude q are placed on x axis at distances of 1 2 4 8 meter from...
- Q The electric potential at a region varies with position as V x y z x y z A positive charged particl placed in this region will A experience a force...
- Q Two charged spheres are kept at a finite centre to centre spacing as shown in the figure The force of electrostatic interaction between them is first calculated assuming them point...
- Q 720 N 240 N point charges 16 nC and 8 nC are situated at the corners B and C of an equilateral triangle of side 0 03 m Find the...
- Q 2 5 Figure represents a square carrying charges 9 9 9 q at its four corners as shown Then the potential will be zero at points inucins q q A...
- Q Polar molecules are the molecules 1 2 3 A acquire a dipole moment only when magnetic field is absent having a permanent electric dipole moment having zero dipole moment acquire...
- Q 1 a An electric field E E X i uniformly increases in magnitude but has a constant direction The uniform rate of increase of the field is a volt m...
- Q Assume that an electric field E 30x iN Cexists in a space Then the potential difference V V between the point A 1 m 0 m and B 0 m...
- Q The volume charge density of a solid sphere varies with distance r from its centre as p Por where po and R are positive constants The electric R field at...
- Q A point charge Q is placed at the centroid of an equilateral triangle When a second charge Q is placed at a vertex of the triangle the magnitude of the...
- Q Two charges q and q2 are placed 30 cm apart as shown in the figure A third charge q3 is moved along the arc of a circle of radius 40...
- Q 2 Two identical positive charges are fixed on y axis from origin O A particle with a equidistant negative charge starts on the negative x axis at a large distance...
- Q 3 If atmospheric electric field is approximately 150 volt m and radius of the earth is 6400 km then the total charge on the earth s surface is 1 6...
- Q Six charges are placed at the corner of a regular hexagon as shown If an electron is placed at its centre O force on it will be a Zero b...
- Q Charges q and q are placed at points A and B respectively which are a distance 2L apart C is the midpoint between A and B The work done in...
- Q Two metal spheres one of radius Rand the other of radius 2R respectively have the same surface charge density o They are brought in contact and separated What will be...
- Q Two small balls having equal positive charge Q on each are suspended by two insulating strings of equal length L from a hook fixed to a stand The whole set...
- Q B Figure shows track of three positive charged particles through uniform electric field E All charges are equal in value Which charge particle has more initial kinetic energy on entering...
- Q 3 An infinite long straight wire has linear charge density 4 x 105 C m 1 The electric force experienced by a proton at perpendicular distance of 10 mm from...
- Q D In a region the potential is represented by V x y z 6x 8xy 8y 6yz where Vis in volts and x y z are in meters The electric...
- Q This section will have 15 questions Candidate can choose to attempt any 10 question out of these 15 questions In case if candidate attempts more than 10 questions fi considered...
- Q Potentiometer is considered as an ideal voltmete because of Low resistivity Low conductivity High sensitivity High resistivity Solution a
- Q Three charges 4 42 and 9 are placed as shown in the figure The x component of the force on q is proportional to 91 A 92 b B 9...
- Q magnetic A coil of resistance 100 and 1000 turns have the magnetic flux line of 5 5 x 10 4 Wb If ther flux changed to 5 x 10 Wb...
- Q A thin metallic spherical shell contains a charge Q over it A point charge q is placed inside the shell at point T separated from the centre by distance a...
- Q Q39 Two parallel plates are of potential 20 V and 40 V If the separation between them is 4 cm The electric field between them is 500 V m B...
- Q A particle with charge 5 0 x 10 5C and mass 1 mg is directly projected from a large distance towards a stationary charged ball of mC as shown in...
- Q A spherical shell with inner radius a and outer radius b is made of conducting material A charge Q is placed at the centre of the cavity and a charge...
- Q A spherical conducting shell of inner radius r and outer radius r2 has a charge Q a If a charge q is placed at the centre of the shell then...
- Q o 0 In case it no response is typed selected Two charged spheres are kept at a finite centre to centre spacing as shown in the figure The force of...
- Q In the arrangement of parallel plate capacitors each plate has area A and separation d between consecutive plates The equivalent capacitance between A and B is Aso d Then value...
- Q he resistance does not depend on the distance between the electrodes because The effective cross section area through which the current flows is proportional of the distance betwee the electrodes...
- Q 45 4 Two identical conducting spheres fixed in space attract each other with an electrostatic force 0 108 N when separated by 50 0 cm center to center A thin...
- Q initial speed v 9 55 x 10 m s into a region where a uniform Protons are projected projected with with an initial electric field E 720 N C is...
- Q 4 1 or 3 depends on values of Q and Q 28 A ring have total charge q Consider two cases Case I Charge is uniformly distributed Case II Charge...
- Q Consider a uniformly charged hemispherical shell shown below Indicate the directions not magnitude of the electric field at the central point P and an off centre point P on the...
- Q stions Two point charges 9 and 92 are placed along x axis at some separation one of the electric field line emanating from charge q is 92 along the curve...
- Q Three charges are released from rest on a smooth horizontal table from the situation shown in the figure What is the speed of charge 2q when its distance from charge...
- Q Two point charges 9 and 92 are placed along x axis at some separation one of the electric field line emanating from charge q is along the curve as indicated...
- Q Point charges are fixed at the hour marks of a wall clock as shown If net dipole moment of the system is along the direction of hour hand then time...
- Q Consider a non conducting sphere of radius a carrying uniformly distributed charge q surrounded by a spherical shell of radius 2a The region between a srs 2a is filled with...
- Q A charge 2Q is uniformly distributed over the volume of a sphere of radius R Two point charges Q are placed at a distance D apart symmetrically about the centre...
- Q charges with linear charge densities 2 2 and are placed in a plane as shown What is the electric field at point P 1 2 3 2k r 4k r...
- Q Figure shows three concentric conducting spherical shells of radii a b and c c b a The innermost and outermost shell are given charges Q and Q respectively and the...
- Q In the figure A B C and D are four concentric spheres of radius a 2a 3a and 4a and contain charges 3 6q 6q and 12q respectively In the...
- Q Electric Field 9 Four particles each having a charge q are placed on the four vertices of a regular pentagon T distance of each corner from the centre is a...
- Q 1 nC 60 60 Consider the triangle of charges diagram for which d 2 cm q 2 nC and the x axis points to the right What is the force...
- Q 22 Two charges of magnitudes 20 and Q are located at points a 0 and 4a 0 respectively What is the electric flux due to these charges through a sphere...
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