Physics question and answers for November 28, 2023
- Q A long thin solenoid has 50 turns per cm and radius 1 10 cm The current in the solenoid is increasing at a uniform rate di dt The induced electric...
- Q The conductor ABCD has the shape shown It lies in the yz plane with A and e on the y axis When it moves with a velocity v in a...
- Q For an L shaped conducting rod placed in an uniform magnetic field B rotating with constant angular velocity w about an axis passing through one of its ends A and...
- Q Statement 1 The work done by field along a closed path is zero Statement 2 The induced electric field is non conservative ONO Statement 1 is True Statement 2 is...
- Q At a certain instant coil A is in a 10 T external magnetic field and coil B is in a 1 T external magnetic field Both coils have the same...
- Q The number of turns in the primary coil of a transformer is 1000 A A power of 2 kW is fed to it by a current of 0 1 A...
- Q 66 Electromagnetic Induction 22 In the last problem i e Q 21 the wire is shaped like a parabola y 4ax at the instant the rod cr the point a...
- Q A coil of n turns and resistance R connected in series with a resistance R 2 combination is moved for time t second through flux to 02 The induced current...
- Q An inductor is connected to a direct voltage source through a switch Now A Very large emf is induced in inductor when switch is closed B C D Larger emf...
- Q Two inductors having self inductance L and L are arranged as shown in the given figure If M be the mutual inductance for the given pair of coils then find...
- Q shape such that the 90 vertex is very close to an infinitely long conducting wire see the figure The wire is electrically insulated from the loop The hypotenuse of the...
- Q Figure show a square loop of side 0 5 m and resistance 10 2 The magnetic field has a magnitude B 1 0 T The work done in pulling the...
- Q 9 An infinitely long wire carries current i along z axis Find flux through the right angled isosceles triangular region coplanar with the wire as shown in figure io K...
- Q A conducting rod of length 27 is rotating with constant angular speed o about its perpendicular bisector A uniform magnetic field B exists parallel to the axis of rotation The...
- Q In a coil rate of change of area is second and current becomes 5 m milli 1 ampere from 2 ampere in 2 x 10 s If of field is...
- Q A small loop of area of cross section 104 m is lying concentrically and coplanar inside a bigger loop of radius 0 628 m A current of 10 A is...
- Q A metal wire of area of cross section 1 8 X 107 m and specific resistance 9 x 10 2 m is bent into a square loop and moved with...
- Q A conducting rod AB makes contact with the metal rails AD and BC which are 0 50 m apart If a uniform magnetic field of induction of 0 50 weber...
- Q A magnet is brought towards a coil i speedly ii slowly then the induced e m f induced charge will be respectively More in first case More in first case...
- Q A coil of radius 1 cm and 100 turns is placed in a magnetic field of 10 gauss such that its plane makes an angle 30 with the field The...
- Q In a coil of area 10 cm and 10 turns the magnetic field is directed perpendicular to the gauss s plane and is changing at the rate of 108 The...
- Q A square loop of side 22 cm is converted into circular loop in 0 4 s A uniform magnetic field of 0 2 T directed normal to the loop then...
- Q A given wire is bent into a circular loop of radius 7 cm and is placed perpendicular to a magnetic field of 1 0 T Within 0 1 second the...
- Q A rectangular coil of 100 turns and dimensions of 10 cm x 5 cm is placed perpendicular to a uniform magnetic field of induction 0 1 T If the magnetic...
- Q Match R L C circuit in List I with impedance in List II R List I R ww R CL m RW W m L m ooooo L C HH...
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