Physics question and answers for December 13, 2023
- Q A current sheet K 6 x A m lies in the z 0 plane and a current filament is located at y 0 z 4 m as shown below Determine...
- Q EXAMPLE 2 1 The magnetic circuit of Fig 2 4 a has dimensions A 4 x 4 cm lg 0 06 cm le 40 cm N 600 turns Assume the...
- Q A charged particle mass m and charge q moves along X axis with velocity V When it passes through the origin it enters a region having uniform electric field E...
- Q Current lo is flowing through a bent wire a b c d inz x plane as shown in figure ther B de over the loop PQRS lying in the X...
- Q cally and The of ic 4 13 Two circular colls having equal and carry equal currents in the same sense and subtend same solid angle at point O If the...
- Q 20 A current carrying wire kept in a uniform magnetic field will experience a maximum force when it is a perpendicular to the magnetic field b c d 3 85...
- Q 21 South pole of a long horizontal bar magnet is being brought closer to a vertical conducting plane along the perpendicular direction The direction of the induced current in the...
- Q Wires 1 and 2 carrying currents i and 2 respectively are inclined at an angle to each other What is the force on a small element dl of wire 2...
- Q A wire is placed perpendicular to the plane through point O A constant current is flowing in the wire out of the plane X In the figure the two points...
- Q If the current in resistance of uniform cross section is doubled then choose INCORRECT option assume temperature to be approximately constant A the current density is doubled B the conduction...
- Q 2 If a charged particle goes unaccelerated in a region containing non zero electric and magnetic field then 1 E must be perpendicular to B and velocity v must be...
- Q A point charge q m is projected in a uniform magnetic field such that velocity vector is perpendicular to magnetic field Then B in terms of a is as per...
- Q A uniform magnetic field of 0 3 T is established along the positive Z direction A rectangular loop in XY plane of sides 10 cm and 5 cm carries a...
- Q 3 E 0 B 0 4 E 0 B 0 64 An electric current of I ampere is flowing in a long conductor as shown in figure The magnetic field...
- Q a An electron follows a helical path in a uniform magnetic field of magnitude 0 300 T The pitch of the path is 6 00 mm nd the magnitude of...
- Q A homogeneous non conducting disc of radius R carries uniform surface charge density o The disc is rotating about an axis through its centre of mass and perpendicular to the...
- Q 3 A conducting wire of length I and mass m can slide without friction on two parallel rails and is connected to capacitance C The whole system lies in a...
- Q A wire is parallel to one arm of a square current carrying loop which also carries current Now at any point A within the coil the magnetic field will be...
- Q Two long parallel wires are at a distance 2d apart They carry steady equal currents flowing out of the plane of the paper as shown in Fig The variation of...
- Q Two charge particle are projected as in figure The minimum value of d for which they do not collide X X X X 3 X X q m d X...
- Q A dip circle is oriented with its plane at an angle of 30 with the magnetic meridian at a place The apparent angle of dip shown by the dip circle...
- Q 4 Two wires A and B are having lengths of 40 cm and 30 cm respectively Both of them are bent in the form of a circle such that current...
- Q A magnet of magnetic moment Moscillating freely in earth horizontal magnetic field makes n oscillations per minute It the magnetic moment is doubled and the earth s horizontal field is...
- Q bead as a function of time is aq Rt 1 2Bo at 2 aq Rt m 4m Ho1 1 1 47b 2 Hol 121 27b Figure shows a long straight...
- Q A charged particle q m enters perpendicularly in a uniform magnetic field B and comes out of field as shown The angle of deviation 0 and time taken by particle...
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