Physics question and answers for January 31, 2024
- Q 38 Which of the following is incorrect regarding equipotential surfaces 1 Equipotential surface is spherical for point charge 2 Equipotential surface is flat for uniform electric field 3 Equipotential surface...
- Q 172 Electrostatic Potential and 18 Figure shows a set of equipotential surface An electron is being moved from one point to other 20 V 30 V 40 V B c...
- Q Two conducting solid spheres of radii R and 2R are given equal charges Q each When they are connected t a thin conducting wire the charges get redistributed The ratio...
- Q Example 32 An electron is liberated from the lower of the two large parallel metal plates separated by a distance of 20 mm The upper plate has a potential of...
- Q of a simple pendulum has mass 1 kg and charge qo Tension in the string doubles when another charge qo is fixed at position Pas shot e period of simple...
- Q 1 A hollow conducting sphere has inner radius 5 cm and outer radius 8 cm then find maximum possible potential of conductor if breakdown electric field of air is 3...
- Q Two small charged spheres separated by a distance d exert a force F on each other If they are immersed in a liquid of dielectric constant 4 then new force...
- Q A short dipole of dipole moment p is placed along x axis at a distance d from a long wire having uniform linear charge density wire is along Y axis...
- Q Two charges each equal to 2 C are 0 5 m apart If both of them exist inside vacuum then net force on the system wil be 1 89 N...
- Q We have an infinite plane of uniform charge with charge density O and an infinite rod which is uniformly harged with charge density A as shown in figure Find the...
- Q Three charges and q are placed at the corner of an equilateral triangle of side a as shown in the figure The net electric dipole moment of the system will...
- Q The charge to be put on a spherical conductor of radius 0 2 m to produce an electric field of 0 072 N just above its surface is O 16...
- Q 1 VA VB 8V 2 VA AB 4 V 3 VB VA 8V 4 VB VA 4V Charges q and q are placed at A and B respectively which are...
- Q Two short electric dipoles of moment P and 8P are placed opposite direction on a line at a distance of 15 cm The electric field will be zero at point...
- Q 32 ABC is an equilateral triangle of side 10 m and D is the midpoint BC Charges of 100C 100C and 75C are placed at B C and respectively What...
- Q 3 7 a For the isolated charged conductor shown in the figure if the electric field at point A and B is E NCERT Pg 67 and Eg respectively then...
- Q Three charges Q 2q q are placed at the vertices of an equilateral triangle of side a as shown in the figure If the ne electrostatic energy of the system...
- Q 31 Two infinitely long parallel wires having linea charge densities and respectively are placed at a distance R The force per unit length on either wire will be 1 3...
- Q Part A Electric Field Strength versus distance relationship for a point charge 1 Drag a 1nC charge at the middle of the grid Draw what the electric field field lines...
- Q 65 Four identical charges are placed at the points 1 0 0 0 1 0 1 0 0 and 0 1 0 The potential at the origin is zero i...
- Q 7 A point charge q 2 x 10 C is placed at the centre a spherical cavity of radius 3 cm in a metal piece Points a and b are...
- Q Consider the following statements Statement I Electric charge on any object is always quantised Statement II There is no analogous law on quantization of mass Choose the correct statement s...
- Q A solid sphere conducting is surrounded by metalic shell of radius 2r Initial charges on them are 5 C 3 C respectively If both are connected by thin metallic wire...
- Q Two straight non conducting wires parallel to the z axis pass through points O and A as shown in the figure below The wires carry equal and uniform charge density...
- Q Kindly check i think answer should be zero A free point charge q and mass m is at rest at the origin A constant electric field E E and constant...
- Q 14 a D d Calculate the electric potential at the surface of a silver nucleus having radius 3 4 x 10 4m The atomic number of silver is 47 and...
- Q 12 Two equally charged identical small balls kep some fixed distance apart exert a repulsive forc F on each other A similar uncharged ball afte touching one of them is...
- Q A and B are two equipotential surfaces as shown in the figure A charge of 2 C is shot from origin with 102 m s Find work done by the...
- Q A positive charge q is carried slowly from a point x to point y in an electric field of point charge Q The work done by external force is NCERT...
- Q Four point charges of varying magnitude and sign are arranged on the corners of the square of side d as shown in the figure Which one of the arrows shown...
- Q A spherical volume contains a uniformly distributed charge of density 2 C m The electric field intensity at a point inside the volume at a distance 3 0 cm from...
- Q Assertion A Electric filed lines do not form closed loops Reason R Electric filed lines are always normal to the surface of a conductor A A B B
- Q lihes between the charge and the plate What is the nature of symmetry of electric field due to a 14 Figure shows a point charge 0 located at a distance...
- Q Two identical capacitors have the same capacitance C One of them is charged to potential V and the other to V The negative terminals of the capacitors are connected together...
- Q Assertion A The electrostatics force increases with decrease in the distance between the charges Reason R The electrostatic force of attraction or repulsion between any two stationary point charges is...
- Q 7 A certain charge Q is divided at first into two parts q and Q q Later on the charges are placed at certain distance If the force of interaction...
- Q 12 A thin dielectric spherical shell of radius R is divided into two equal parts These parts are held together forming a complete shell and are given uniformly distributed unlike...
- Q 6 Three identical thin uniformly charged filaments are fixed along three sides of a cube as shown in the figure Length of each filament is I and line charge density...
- Q ALLE Planes x 2 and y 3 respectively carry charges 10 nC m and 15 nC m If the line x 0 z 2 carries charge 10 nC m calculate...
- Q 24 A hemispherical bowl of inner radii R and outer radii 2R is Find the electric field at point O 3p R 480 25 r charged with density p P...
- Q vi Total energy aquired by the charge during N complete revolution ET 2NqV where V is potential difference to which the charge is subjected every tim enters a dee This...
- Q 0 A spherical shell of radius R is given charge 3q on its surface and a point charge q is placed at distance R 2 from its centre C Also...
- Q Seawater at a frequency f 9 x 102 Hz has permittivity 80 and resistivity p 0 25 m Imagine a parallel plate capacitor is immersed in seawater and is driven...
- Q The electrons in a particle beam kinetic energy of 1 6 10 17J What are the magnitude and direction of the electric field that stops these electrons in a distance...
- Q electron at the moment reaches the opposite prato A proton accelerated by a potential difference V gets into the uniform electric field of a parallel plate capacitor whose plates extend...
- Q Q 10 Two balls carrying charges 8 C and 5 C are placed at certain distance apart The net electric field along the line joining the charges will be zero...
- Q released from rest at point P and then accelerated towards the point Q by the electric field Rank the patterns according to the linear momentum of the proton when it...
- Q 2 A point charge is placed at the centre of a hollow conducting sphere of internal radius r and outer radius 2r The ratio of the surface charge density of...
- Q A system of two charges 7 C and 2 C at 9 0 0 cm and 9 0 0 cm respectively are placed in an external field E 9x105 V...
- Q Q 48 There is an infinite non conducting sheet of charge having uniform charge density o The electric field at a point P at a distance x from the sheet...
- Q Q 46 Consider a uniformly charged hemispherical shell What can you say about the direction of electric field at points on the equatorial plane e g point P X X...
- Q Q 45 A uniformly charged semicircular ring ABCD produces an electric field Eo at the centre O AB BC and CD are three equal arcs on the ring Portion AB...
- Q Two uniformly charged nonconducting spheres each of radius R are fixed in a gravity free space as shown in the figure If an electron is released at rest from the...
- Q Q 62 A pyramid has four faces all of them being equilateral triangle of side a A charge Q is placed at the centre of one of the faces What...
- Q A solid non conducting sphere of radius R having variable volume charge density p where Ar R is the distance from centre If electric field R distance from the centre...
- Q 39 In a region the intensity of an electric field is given by E 81 8j k in NC 1 The electric flux through a surface S 101 m in...
- Q 13 Two point charges of 30 C and 40 C are 20 cm apart from each other Where will be the electric field zero on the line joining the charges...
- Q A uniform electric field Eof 300 NC is directed along negative X axis A B and C are three points in the field having x and y coordinates in metres...
- Q In certain region of space there exists a uniform electric field of 2 10 kv m A rectangular coil of dimensions 10 cm 20 cm is placed in x y...
- Q 8 An insulating hollow cube of side 1 carries uniform charge on all of its surfaces The surface charge density is o Determine the force acting on 6212 a face...
- Q For the electric circuit shown here write the Kirchhoff s circuital law equations the solutions of which will given currents in the three resistors Do not solve the equations AIPMT...
- Q Charge q 6 0nC is on Y axis at y 3cm and charge q2 6 0nC is on Y axis at y 3cm then M force experienced by test charge...
- Q The law governing the force between electric charges is know as O Faraday s law Ohm s law O Ampere s law 02 59 hr min Coulomb s law
- Q Three charges Q 2q q are placed at the vertices o an equilateral triangle of side a as shown in the figur If the net electrostatic energy of the system...
- Q marks 11 Figure shown below three different patterns of electric field lineIn cach pattern a proton is released From re at point P and then accelerated towards the point Q...
- Q A ball with charge 20e is placed at the centre of a hollow spherical shell which has net charge of 40e The charge of the shell s outer surface 20e...
- Q Two charges 9 and 92 are located at 9 0 and 9 0 in the x y plane in a medium of dielectric constant 4 The dielectric medium has carved...
- Q For a dipole having magnitude of charge q 4 x 10 6 C and distance between the charges d 0 02 m If this dipole is placed in a electric...
- Q Two identical beads each of mass m and charge q can slide on two long parallel insulating frictionless rigid rods that are a distance d apart Initially the beads are...
- Q A B E HOM D In the given figure if Q and Q are positive where could a negative charge be placed so as to have vertically upward net force...
- Q Point charges 9 4 C and 9 2 C are kept at point 0 and x 4 respectively electrical potential will be zero at points where x is in cm...
- Q In an electric field shown in figure three equipotential surfaces are shown If function of electric field is E 2x V m and given that V V V V3 then...
- Q Three point charges of strengths q 4 0 x 10 C 92 1 0 x 10 C and Q 10 6 C are fixed in a right triangle as shown...
- Q 67 If electric potential of the inner sphere is 10 volt and that of the outer shell is 50 volt ther potential at common centre is 1 10 V 2...
- Q A particle of mass m and charge q is placed at rest in a uniform electric field E and then released The KE attained by the particle after moving a...
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