Physics question and answers for December 10, 2023
- Q Q10 Eddy currents are produced in a conductor when the conductor is subjected to Ospecific value of magnetic field Ono magnetic field varying magnetic field O constant magnetic field Clear...
- Q A conducting movable rod AB lies across the frictionless parallel conducting rails in a uniform magnetic field B whose magnitude at t 0 is B The rod AB is given...
- Q Two long parallel wires are at a distance of 1 metre Both of them carry one ampere of current The force of attraction per unit length between the two wires...
- Q A cylindrical conductor of radius R is carrying a constant current The plot of the magnitude of the magnetic field B with the distance d from the centre of the...
- Q A square loop carrying a steady current I is placed in a horizontal plane near a long straight conductor carrying a steady current at a distance d from the conductor...
- Q Two parallel wires in free space are 10 cm apart and each carries a current of 10 A in the same direction The force exerted by one wire on the...
- Q 10 Two short magnets of equal dipole moments M are fastened perpendicularly at their centres as shown below point P is in the plane of the magnets D 1 Ho...
- Q A thin rectangular magnet suspended freely has a period of oscillation equal to T Now it is broken into two equal halves each having half of the original length and...
- Q 210 A small magnetic needle is kept at 0 0 with its moment along the x axis Another small magnetic needle is at the point 1 1 and is free...
- Q Moving Charges and Magnetism Magnetism and Matter A positively charged particle of charge q travelling along positive x axis initially enters in a uniform magnetic field B directed inward and...
- Q Q 40 Magnetic field due to 0 1 A current flowing through a circular coil of radius 0 1 m and 1000 turns at the centre of the coil is...
- Q A straight conductor carrying current i splits into two parts as shown in the figure The radius of the circular loop is R The total magnetic field at the centre...
- Q Two similar coils of radius R are lying concentrically with their planes at right angles to each other The currents flowing in them are and 21 respectively The resultant magnetic...
- Q A proton and an alpha particle both enter a region of uniform magnetic field B moving at right angles to the field B If the radius of circular orbits for...
- Q 51 A semicircular loop of radius R is located on the boundary of a uniform magnetic field B The loop is set into rotation with a constant angular acceleration a...
- Q 4 Both 1 2 2 Two magnets are held together in a vibration magnetometer and are allowed to oscillate in the earth s magnetic field With like poles of magnets...
- Q A uniform magnetic field acts right angles to the direction of motion of electrons As a result the electron moves in a circular path of radius 2 cm If the...
- Q A charged particle moves through a magnetic field in a direction perpendicular to it Then the 2003 speed of the particle remains unchanged direction of the particle remains unchanged acceleration...
- Q A straight wire of length 0 5 metre and carrying a current of 1 2 ampere is placed in uniform magnetic field of induction 2 tesla The magnetic field is...
- Q A single straight wire produces a B field Another wire is parallel and carries an identical current If the two currents are in the same direction how would the magnetic...
- Q Asseetion A When a magnetic dipole is placed in a non uniform magnetic field only a torque acts on the dipole Reason R Force would act on dipole if magnetic...
- Q Consider the following two statements about the Orested s experiment Statement P The magnetic field due to a straight current carrying conductor is in the form of circular loops around...
- Q A metallic rod of mass per unit length 0 5 kg m is lying horizontally on a smooth inclined plane which makes an angle of 30 with the horizontal The...
- Q A rod ABC shown in the figure is made up of two parts The part AB is non conducting while the part BC is conducting The rod rotates with constant...
- Q f the magnetic field of a plane electromagnetic wave is given by The speed of light 3x10 m s 8 100x10 sin 2xx2x10 s 1 1 then the maximum electric...
- Q SolveLancer Test A student was doing some experiment related to magnetism He found that the magnetic flux linked with a coil varies as B 13t 7t 2t 8 Wb The...
- Q Find the current through Ro when the rod rotates through an angle 0 The rod AD is pushed with initial angular velocity wo at the position AC on a semicircular...
- Q A charged particle electron or proton is introduced at the origin x 0 y 0 z 0 with a given initial velocity y A uniform electric field and a uniform...
- Q Question 1 A washer is made of metal having resistivity 10 7 m The washer has inner adius 1 cm outer radius 3 cm and thickness 1 mm A magnetic...
- Q 4 40 x 10 6 T A long wire with a small current element of length 1 cm is 5 Tandanam placed at the origin and carries a current of...
- Q A proton is moving along x axis as shown in the figure The direction of induced current in the loop is Proton V Closed loop 1 First anti clockwise then...
- Q 55 A closed circular conducting loop is mo a uniform magnetic field as shown in the figure Select correct statements X X X B X X V X OF X...
- Q 4 28 A beam of non relativistic charged particles moves without deviation through the region of space A where there are transverse mutually perpendicular electric and magnetic fields with strength...
- Q A particle of mass m and charge q is dropped from a height h In whole space there exists a constant magnetic field B as shown in figure Find the...
- Q Q 62 A tightly wound solenoid of length and cross sectional area A is partly inserted co axially into another tightly wound solenoid of length and cross section l A...
- Q 4 Magnetic length of bar magnet of 70 cm length is Question Type Single Correct Type 1 70 cm 2 35 cm English 3 63 cm 4 7 cm Review...
- Q Answer A B C D Your Attempt B dl along x axis is B di along x axis is B di along x axis is Correct answer B di along...
- Q Shown in the figure is a circular loop of radius r and resistance R A variable magnetic field of induction B Boet is established inside the coil If the key...
- Q 38 A magnet is made to oscillate with a particular DAT frequency through a coil as shown in figure The time variation of magnitude of emf generated across the coil...
- Q A charge particle of charge q mass m is accelerated through a potential diff V volts It enters a region of orthogonal magnetic field B Then radius of its circular...
- Q If current I passes through a square shaped conduct ing loop of side a what is the value of the magnetic field at the point of intersection of its two...
- Q Two insulated rings one of slightly smaller diameter than the other are suspended along their common diameter as shown Initially the planes of the rings are mutually perpendicular When a...
- Q A circular loop of radius a centered at origin and lying in the xy plane carries current I as shown in the figure The magnetic field intensity a the centre...
- Q Two point charges q and 2 are placed along x axis at some separation one of the electric field line emanating fro 6x charge q is along the curve as...
- Q 48 Application junction of a forward bias to a p n CBSE AIPMT 2005 a increases the number of donors on the n side b increases the electric field in...
- Q A charged particle q m enters into a cylindrical region of radius R with velocity Vo In cylindrical region uniform magnetic field B is present If R Vo then qB...
- Q 17 The velocity of two alpha particles A and B in a uniform magnetic field is in the ratio 1 3 They move in different circular orbits in the magnetic...
- Q 18 A long wire carries a steady current It is bent into circle of one turn and the magnetic field at the center of the coil is B It is...
- Q 5 51 A long straight wire carries a current I 10 sin cot 8 and lies in the plane of a rectangular loop of N turns of wire as shown...
- Q conducting rod is moving under the influence of a constant force between two parallel ideal conducting rails There is a capacitor connected between the ends of the two rails A...
- Q 0 5 3 The effective radius of a circular coil is R an number of turns is N The current through it is ampere The work done in rotating the...
- Q A 0000000 0000lllllll B If the maximum and minimum equivalent inductance of the combination is found to be 16H and 3H the coupling constant is 1 00000000000 0000000 12 13...
- Q 5 30 A thin non conducting ring of mass m radius a and uniformly distributed charge q is place inside a solenoid magnetic field with its plane normal to B...
- Q A sliding conducting bar of mass m resistance R is released from rest It starts sliding due to the current drawn from a battery of emf in a steady inward...
- Q n the ar to 5 48 A straight conducting rod PQ is executing SHM in xy plane from x dtox d Its mean position is x 0 and its length...
- Q Figure shows a square loop 10 cm on each side in the x y plane with its centre at the origin An infinite wire is at z 12 cm above...
- Q as Electrical resistance of certain materials known superconductors changes abruptly from a non zero value to zero as their temperature is lowered below a critical of An interesting property temperature...
- Q 3 A proton moving along the x axis enters a magnetic field If the proton experience a magnetic deflection in the y direction then the magnetic field must have a...
- Q A conducting rod AB of lemgth 2 I moves through a uniform magnetic field B The rod makes an angle with the vertical while it falls with a uniform linear...
- Q A square loop of area 2 5x10m and having 100 turns with a total resistance 10092 is moved out of uniform magnetic field of 0 4 T in 1 sec...
- Q Two infinite wires carrying current lo and 2 are separated by distance d Magnitude of magnetic field at a point Pat a distance d from both the wires is O...
- Q In figure ABCDE is a channel in the vertical plane part BCDE being circular with radius r A ball is released from A and slides without friction and without rolling...
- Q Two concentric circular loops of radii cm and 14 cm are place in the Y Z plane as shown in the figure The magnetic moment of this loop system is...
- Q A charge particle q m is projected from origin at t O with velocity vo making an angle of 37 with x axis in x y plane A uniform magnetic...
- Q A charge particle q m is projected with velocity vo in uniform magnetic field region of width d Strength of magnetic field region is Bo Value of dis given in...
- Q Two infinite wires carrying current Io and 210 are separated by distance d Magnitude of magnetic field at a point P at a distance d from both the wires is...
- Q X It is rotated about y axis with angular velocity w as shown l 2 A B is proportional to A f magnetic field at point O due to rod...
- Q 4 32 2 A conducting ring is placed around the core of an electromangnet as shown in fig When key K is pressed the ring Ring U 1 Remain stationary...
- Q Two infinite wires carrying current and 2 are separated by distance d Magnitude of magnetic field at a point P at a distance from both the wires is O 24...
- Q A long straight hollow conductor tube carrying a current has two sections A and C of unequal cross section joined by a conical section B 1 2 and 3 are...
- Q The SI unit of Magnetic Field is Tesla and the C G S unit is Gauss Which of the following is the correct relation A 1 Gauss 104 Tesla B...
- Q charge particle q m is projected with velocity vo from origin in a region where magnetic field 56 Box K where is constant If maximum x coordinate of particle is...
- Q L Four long current carrying wires each having current are placed along z axis at point P Q R and Co ordinates of these points are shown in figure If...
- Q A solehold of length 10 cm and radius 1 cm contains 200 turns and carries a current of 10 A The value of pole strength of each pole is 1...
- Q charged with linear charge density It is rotated about y axis with angular velocity w as shown y O 2 A Read Less If magnetic field at point O due...
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