Physics question and answers for December 13, 2023
- Q In the diagram shown a non uniform magnetic field B Box k is present in the region A charged particle q m enters the region with velocity vi from origin...
- Q Through each of two long straight parallel conducting wires kept 4 cm apart 10 A current is flowing If the direc tion of current in the wires are mutually opposite...
- Q 11b A solenoid that is 95 0 cm long has a radius of 2 00 cm and a winding of 1200 turns it carries a current of Calculate the magnitude...
- Q A current of 6 A passes through the wire shown in figure Then magnitude of magnetic field at point o is T The radius of are is 0 2 m...
- Q 26 A rectangular loop which was initially inside the region of uniform and time 3 independent magnetic field is pulled out with constant velocity v as shown In the figure...
- Q In an n sided regular polygon the distance from centre of Paragraph 1 Q No 49 to 50 polygon to each vertex is a and the length of each side...
- Q A helium neon laser beam 2 632 nm of intensity 1 0 W cm is travelling along x axis in vacuum Find a Amplitudes of E and B fields associated...
- Q Two wires of the same cross sectional area and electrical conductivity o and o are connected as shown in the figure If a constant current I is made to pass...
- Q A uniform magnetic field is directed into the pago A charged particle moving in the plane of the page follows a clockwise spiral of decreasing radius as shown in the...
- Q A uniform electric field E is present horizontally along the paper throughout region but uniform magnetic field Bo is present horizontally perpendicular to plane of paper in inward direction right...
- Q 2 A long hollow cylindrical conductor of length L and small radius carries total current along its curved surface as shown in figure The magnetic field inside the cylinder is...
- Q 14 A charge q moving along the x axis with a velocity v is subjected to a uniform magnetic field E acting along the z axis as it crosses the...
- Q X axis Find the coil for a compass n south direction ed from 0 curns It is placed A dip needle is of rotation Ans a 1A b 0 5V...
- Q A uniform conducting wire ABC has a mass of 10 g A current of 2A flows through it The wire is kept in a uniform magnetic field B 2T The...
- Q circular coll carrying current of single turn of radius R and mass 1 kg is hanging by two ideal strings as shown in figure When a constant magnetic field B...
- Q A particle of charge 16 x 10 18C moving with velocity 10 ms 1 along the positive x axis enters a region where a magnetic field of induction B is...
- Q Question NO A uniform electric field exists in a region A charged particle q m enters at point A with velocity voj It moves through the electric field and exit...
- Q B A particle of charge q and mass m moving under the influence of uniform electric field E Eoj and uniform magnetic field Bok follows a trajectory from P to...
- Q 6 A charge particle q velocity v 51 m s passes through a region of where uniform magnetic field width D B 2k T exist as shown Find average force...
- Q A particle of mass m and charge q moving with velocity Venters region II normal to the boundary as shown in the figure Region II has a uniform magnetic field...
- Q particle of mass M and positive charge Q moving with a constant velocity 4 ms enters a region of uniform static magnetic field normal to the x y plane The...
- Q 17 A rod is moving on rails as shown in figure Outside magnetic field is given by B Resistance of system is R and length is I a Find direction...
- Q A toroid has core non ferromagnetic inner radius 20 cm and outer radius 30 cm around which 3000 turns of a wire are wound If current in the wire is...
- Q A uniform electric field exists in a region A charged particle q m enters at point A with velocity v It moves through the electric field and exit at point...
- Q 9 The magnetic field intensity at point P in the given figure is zero The position of point P is A B 1 5 cm from wire A 3 6...
- Q Consider a wire placed along z axis and having current lo along z Holo axis If Bd along the path PRQ shown in figure is then find the value of...
- Q in a pe An infinitely long straight conductor carrying a current I produces a magnetic field B at a point distance a from it What must be the radius of...
- Q An ac generation 1 Involves rotation of a coil in a magnetic field parallel to axis of rotation of the coil 2 Involves rotation of a coil in a magnetic...
- Q Two straight parallel conductors carrying equal currents in the same direction are kept at a distance d apart in vacuum What is the magnitude and direction of magnetic field midway...
- Q A long rigid wire lies along the X axis and carries a current of 10 A in the positive X direction Round the wire the external magnetic field is B...
- Q A rectangular coil carrying a current I has mass m If is place in a uniform magnetic field B as shown i The minimum value of B for which the...
- Q Two wires A and C carry equal current lo 1 A as shown in figure One end of both wires extends to infinity If magnitude of magnetic induction at point...
- Q Four parallel conductors are arranged as shown in the figure The conductors carry currents 11 12 13 and 14 respectively Calculate a the total magnetic field amplitude direction at the...
- Q consider a wire placed along z axis and having current along z axis If Bd along the path PRQ shown in figure is Hola then find the value of K...
- Q If an electron enters a magnetic field with its velocity pointing in the same direction as the magnetic field then 1 the electron will turn towards right 2 the electron...
- Q N An a particle experiences a force of 3 84x10 14 when its moves perpendicular to magnetic field of 0 2 Wb m then speed of the a particle is...
- Q 3 A long solenoid having 200 turns cm and carries current i Magnetic field at its axis is 6 28 x 10 2 wb m2 An another solenoid having having...
- Q electric field on the surface of pipe is zero MG0025 6 In a current carrying long solenoid the field produced does not depend on 1 number of turns per unit...
- Q figure carries a current i and consists of a circular arc of radius R and central anglerad and two straight sections whose extensions intersect the centre C of the arc...
- Q A straight segment OP of length L of a circuit carrying current 1 ampere is placed along x axis Two infinitely long straight wires A and B each extending from...
- Q illustration 2 A particle with charge q and mass m enters a magnetic field of magnitude B existing only to the right of the boundary PQ The direction of the...
- Q A conducting square loop of side L and resistance R moves in its plane with a uniform velocity v perpendicular to one of its side A magnetic induction B constant...
- Q the wires as shown The a distance x to the right 1 2 Six infinite long straight parallel wires are arranged to pass through vertices of a regular hexagon of...
- Q A long straight wire is turned into a loop of radius 10 cm see figure If a current of 8 amperes is passed through the loop then the value of...
- Q If an observer is moving with respect to a stationary electro then he observes DCE 2001 a Only magnetic field c Both a and b Calculate the amount of chargo...
- Q In an apparatus the electric field was found to oscillate with an amplitude of 18 V m The magnitude of the oscillating Pb PMT 1999 AMU Engg 2012 magnetic field...
- Q The rectangular loop in the figure has 2 3x10 resistance Figure 1 Figure 10 m s 4 0 cm 1 of 1 Part A What is the induced current in...
- Q An electron moving in a circular orbit of radius r makes n rotations per second The magnetic field produced at the centre has magnitude Hone 2r hr min Hone
- Q A current i 0 1 A flows through a circular winding with radius a 5 cm and number of turns N 100 When this device is placed in a B...
- Q B B 9 In a region of space a uniform static magnetic field of induction B is established above the x z plane and another uniform static magnetic field of...
- Q a vibra place and 49 ntal compone places is 2 1 lace then 8 tano 2 tan 8 1 o be 15 E A Time period of oscillations of a...
- Q Three long parallel current carrying wires are placed with their lengths normal to the plane of paper The magnitude and direction of current are shown in the figure The currents...
- Q A bar of n type Ge of size 0 010m x 0 001m x 0 001m is mounted in a magnetic field of 2 x 10 T The electron density...
- Q Consider the figure shown A cha enters magnetic field at A and emerges out of magnetic field at B moving parallel to its direction of motion at A If r...
- Q A charge q mass m travelling with speed v enters a region of magnetic field at an angle 8 with magnetic field Mark the following statements as true or false...
- Q Q There is Fleming left hand rule Fleming right hand rule screw rule right hand palm rule Here am confused to choose which rul e to find which one can...
- Q 1 6 In Fig 29 38 point P is at perpendicular distance R 2 00 cm from a very long straight wire carrying a current The magnetic field B set...
- Q 8 A current carrying closed loop in the form of a right angl isosceles triangle ABC is placed in a uniform magnetic fiel acting along AB If the magnetic force...
- Q Question 8 An emf is produced in a coil which is not connected to an external voltage source This can be due to a the coil being in a time...
- Q C10 Consider two parallel electron beams moving in same direction Cross sectional area of each beam is A v is speed of electrons in the beam nis electron concentration in...
- Q A ball of mass m and charge q is dropped in region of uniform horizontal magnetic field B Which of the following is are correct when the velocity of the...
- Q An electron is travelling horizontally towards east A magnetic field in vertically downward direction exerts a force on the electron along A East B West C North D South Choose...
- Q 5 11 A current carrying ring is placed in a horizontal plane A charged particle is dropped along the axis of the ring so that it falls under gravity then...
- Q A conducting rod of length moves with velocity v in a direction which is perpendicular to its own length and parallel to another long wire carrying a steadycurrent I as...
- Q 40 A wire A bent in the shape of an arc of a circle carrying a current of 2 A and having radius 2 cm and another wire B also...
- Q A rectangular coil having 100 turns of length 40 cm and breadth 20 cm carrying a current of 10 A is placed in a magnetic field of 5 T If...
- Q projected into a region having perpendicular magnetic field as shown If the width of the then the deviation 0 of mu field d 2qB charge particle as it comes out...
- Q 15 Radius of a current carrying coil is R The ratio of magnetic field at a axial point which is R distance away from the centre of the coil to...
- Q A metal rod is fixed rigidly at two ends so as to prevent its thermal expansion If L a and Y respectively denote the length of the rod coefficient of...
- Q A B Iwo metal strips of lengt placed circuit as shown in figure The entire structure is placed on a smooth horizontal floor in a region in which uniform magnetic...
- Q Figure Shows a current of 10A flowing in mutually opposite directions through each of two parallel Straight conducting wires kept at a distance 0 4 m apart Determine Magnitude and...
- Q A particle of charge q and mass m moves is an uniform magnetic field B with a speed V The average acceleration for 90 turn as it moves from point...
- Q T exists in the in a constant arts from the tion will be 4 5 A particle of mass m and charge q is thrown from origin at t 0...
- Q The figure shows a block of infinite length on the y and z axis and width 2L The block has a current density J1 Joxk and has a cylindrical cavity...
- Q 2 A 80 turns closed circular coil having a radius of 20 cm is placed perpendicular to the uniform magnetic field of intensity 50 Oe Determine the amount of charge...
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