Physics question and answers for February 10, 2024
- Q Two equal point charges are fixed at x a and x a on the x axis Another point charge Q is placed at the origin The change in the electrical...
- Q This question contains statement 1 Assertion and statement 2 Reason Of The four choices given after the statements choose the one that best describes the two statements A Statement 1...
- Q A uniform electric filed exists only in x y plane When a student moves a distance 0 01 m along Oa line potential decreases by 0 02 V The magnitude...
- Q A dipole of dipole moment po is placed at origin Direction of dipole moment is toward x axis Po Assuming potential energy of dipole is zero when plE COLUMN I...
- Q C the charges just behind a given segment of wire which push them just the right way by repulsion D the charges ahead A battery of emf 10 volt and...
- Q Question 4 1 A rectangular frame of area 10 m2 is placed in a uniform electric field of 20 N C with normal drawn on the surface of the frame...
- Q A metal rod AB of length I rotates with a constant angular velocity w about an axis passing through O and normal to its length The magnitude of emf induced...
- Q A point electric dipole with dipole moment P is placed in the external uniform electric field whe strength is E with p parallel to E Then a Net force experienced...
- Q 9 Consider uniform charged shell of surface charge density s 380 SI units and a dipole of dipole moment P 2TE SI units Centre of the shell and the dipole...
- Q 17 A small ball of mass 1 kg and charge uC is placed at the centre of a uniformly charged sphere of 1 radius 1 m and charg mC A...
- Q 6 Consider equal and opposite uniformly charged large parallel plates with charge density of magnitude o A small charge q is moved along the rectangular path ABCDA where side AB...
- Q A dielectric slab of dielectric constant k mass m thickness d and area L x L is hanging vertically in equilibrium under the influence of gravity and electrostatic pull of...
- Q A ring is made of a wire having a resistance Ro 12 Q Find the points A and B as shown in the figure at which a current carrying conductor...
- Q Figure shows tracks of two charge particles in uniform electrostetic field Trajectory of which charge is more curved 9 92 1 9 3 Equal for both V V 2 92...
- Q Two concentric shells having radius R and 2R have charges A and B and potentials 2V and 3 2 V respectively Now shell B is earthed and let new charges...
- Q 19 A current carrying infinitely long current carrying wire as shown in figure The torque acting on the loop is 2 3 Hoiiza 2T 2 Hoza 2 i4 Holiza In...
- Q The potential energy of a particle of mass 4 5 kg moving in the x y plane is given by U 7x 24y J where x and y are given...
- Q The variation of the magnitude of the electric field with adial distance r due to a given configuration is depicted the accompanying figure The configuration could be A thick spherical...
- Q A dipole having dipole moment p is placed in front of a solid uncharged conducting sphere as shown in the diagram The net potential at point A lying on the...
- Q For a series RLC circuit R XL 2Xc The impedance of the circuit and phase difference between Vand will be 5R tan 2 5R 2 7 tan IN 2 5Xc...
- Q In resonance state of LCR series circuit resonance frequency of circuit is f If the capacitance is made 4 times of initial value keeping inductance same then the new resonance...
- Q Which one of the following curve best represent the variation of impedance Zwith the frequency fin series LCR circuit ZA ZA ZA ZA f f f
- Q An electric dipole is placed at an angle of 30 with an electric field intensity 2 x 105 N C It experiences a torque equal to 4 N m The...
- Q is carrying a charge q are Two positive separated by a distance d If F is the force of repulsion between the ions the number of electrons missing from each...
- Q A 60 F capacitor is connected to a 110 V 60 Hz AC supply The rms value of current in the circuit is 2 5 A 2 1 A 3...
- Q of heat el plate e on the plates e plates T Ax Question 29 A spherical capacitor consists of two concentric spherical conductors held in position by suitable insulating supports...
- Q O 7 5 cm A 20 eV electron is circulating in a plane at right angle to a uniform field of magnetic induction 2 10 4 Wb m2 The orbital...
- Q 1 Electric potential V in a region varies with x co ordinate as shown in figure If E E2 E3 and E4 are magnitude of fields for the shown regions...
- Q stion 32 Tan Consider an configuration A small test charge is placed at a null point i e where E 0 of the configuration Show that the equilibrium of the...
- Q Two wires A and B of same material having radii ratio 1 3 carry current in the ratio 1 1 The ratio of drift speed of electron in A and...
- Q Physics The graph shows the potential energy of an electric dipole that oscillates between 60 What is dipoles kinetic energy in J when it is aligned with the field 180...
- Q Three charges are positioned on an X Y coordinate system A 40 0 nC charge is placed at the point 50 0 0 00 cm A 46 9 nC charge...
- Q 3 100 C 4 75 C 25 The electric field in a certain region is TI potential at any point x y z in this region will potential is zero...
- Q Three charges are positioned in a straight line on the x axis A 400 nC charge is placed at the point x 0 cm A 740 nC charge is placed...
- Q What is the potential difference that is required to be applied between 2 parallel plates separated by a distance of 0 353 m to produce an electric field of magnitude...
- Q Question 27 In a certain region of space electric field is along the direction throughout The magnitude of electric field is however not constant but increases uniformly along the positive...
- Q A 3 00x104 C charge q2 blue charge and a 9 00x104 C charge q1 red charge are positioned as shown in the diagram below How much work is done...
- Q 98 Two short electric dipoles are placed as shown The electrostatic energy of interaction between these dipoles is Ecose X KP 11 3C05 0 co 73 r V site 1...
- Q P 8V 2V 8V 10 V OV 6V There is no direction because the electric field is zero 4 V 4 V What best describes the direction of the electric...
- Q The switch Sw of the circuit shown in the figure is closed at t 0 i and i2 are the electric current in the branch containing two ideal inductors L...
- Q A charged particle Q is placed outside a hollow cone on the axis of a cone at a distance x from the centre of its base Electric flux linked with...
- Q 27 The current flowing in the given circuit is 0 2 The potential difference between the point A and B will be 1 0 4 V 3 0 2 V...
- Q 1 50 A simple pendulum of length and bob mass m is hanging density o If suddenly a charge q is given to the bob it is in front of...
- Q Two spherical conductors of radii 2 cm and 6 cm are placed concentrically in air The inner sphere is connected to earth while the other is given a charge of...
- Q Find the magnitude of potential difference between points Q and P when a uniform electric field of 100 V m acts at 45 to x axis Given OP 2m and...
- Q plates of a parallel plate capacitor are charged by a battery and the battery is disconnected after the charging Now the plates are placed as shown in the figure Then...
- Q nd the electric field at the location of q in the figure below given that q magnitude irection 9a N C counterclockwise from the x axis 9c g 9 4...
- Q 1 Two short dipoles having dipole moment P and P are placed such that their axis are parallel to each other as shown in figure If sepration between them is...
- Q 2017 6 Suppose the charge of a proton and an electron differ slightly One of them is e the other is e Ae If the net of electrostatic force and...
- Q Two positive ions each carrying a charge q ar separated by a distance d If F is the force o repulsion between the ions then the number o electrons missing...
- Q A hollow cylinder has a charge q coulombs located within it symmetrically If o is the electric flux in units of volt meter associated with the curved surface B the...
- Q 8 Three charges each q are placed at the three corners of an isosceles triangle ABC with sides BC and AC each equal to 2a D and E are the...
- Q A conducting spherical shell of radius R is given a charge of a Another point charge is kept at a distance of 3R from its centre consider a point P...
- Q Four electric charges q q qand q are placed at the corners of a square of side 2L see figure The electric potential at point A midway between the two...
- Q The electric potential at a point in free space du to a charge Q coulombs is Q x 1011 volts The electric field at that point is 1 4 EO...
- Q There is non conducting sphere of radius R which is uniformly charged If smaller concentric sphere R of radius is removed The electric field inside HVEM 2 the cavity is...
- Q In the equation relating electric field E electric displacement vector D and polarisation vector P as given below 1 Point D E0E P value of D is decided by values...
- Q The electric network shown in figure is part of a complete circuit If at any instant current i 1 A and potential difference across A and B di is zero...
- Q 2 A charge Q is divided into two charge q and 92 separated by a distance r The force of repulsion between them will be maximum when 1 9 0...
- Q Potential is by virtue of position with re spect to a charge It means potential va ries with position But incase of circuits potential does not change to some poi...
- Q Choose the correct answer 1 Three identical non conducting spheres each of charge 1 C uniformly distributed and radius 1m are kept such that each touches the other two The...
- Q 6 Figure shows a set of equipotential surfaces magnitude and direction of electric field that exists in the region is y 2 135 20 V 10 V 30 V 40...
- Q 1 Figures a and b show the electric lines of force of a positive and negative charge respectively b What are the signs of potential difference VP VQ and VB...
- Q 5 1 A particle of mass m and positive charge q is projected towards an infinitely long line of charge having linear density of charge 2 from a distance ro...
- Q Respected Teacher Here I am confused between option 1 and 2 The answer gi ven is 2 but why can we not check presence of charge by i nduction For...
- Q 1 330 m s 2 350 m s 3 300 m s 4 360 m s 31 An infinite sheet of charge has a surface charge density of 8 85...
- Q Two uniformly charged rings of radius R and 2R are placed co axially as shown in figure If net electric field at point P which is x x R distance...
- Q A positive charge particle having charge q and mass m has velocity v v at the origin Its speed as the function of y is A v qE y 2m...
- Q An inclined plane making an angle of 30 with horizontal is placed in a uniform horizontal electric field E of 100 V m A particle of mass 1 kg and...
- Q Two point charges repel each other with a force of 100 N one of the charges is increased by 10 and the other is reduced by 10 The new force...
- Q Four charges q q q and q are placed respectively at the corners A BC and D of a square of side a arranged in the given order IfE and...
- Q Solution Free charges q q and q are situated in X Y plane at points 0 a 0 0 and 0 si respective Find the potential at a distant point...
- Q 3 A sphere of charge has a radius R and a charge density given by p a r where a is a constant and r is the distance from the...
- Q Surface density of charge on a sphere of radius R in terms of electric intensity E at a distance r in free space is E Permitivity of free space 2...
- Q 9 Two point charges Q and q are placed at distances x and x 2 respectively from a third charge 4q all charges being in the same straight line Calculate...
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