Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
A coil is placed in a constant magnetic field of induction 10^-3 Wb /m^2 . if the radius of the coil decreases steadily at the rate of 10^-2 m/s . what will be the radius of the coil .when the induced e.m.f in the 1 mu V.
05
Sep
A coil is placed in a constant magnetic field of induction 10^-3 Wb /m^2 . if the radius of the coil decreases steadily at the rate of 10^-2 m/s . what will be the radius of the coil .when the induced e.m.f in the 1 mu V. A long copper wire carries a current of [...]
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A long copper wire carries a current of I ampere. Calculate the magnetic flux per meter of the wire for a plane surface S inside the wire as shown in Fig. ,
A wire forms a closed circular loop ,
of radius = 1 m and resistance 5 ohm . The circle is centered on a long straight wire; at time t = 0 the current in the long straight wire is 10 rightward. Thereafter ,
A circular coil of 100 turns and having a radius of 0.05 m carries a current of 0.1 A. Calculate the work required to turn the coil in an external field of 1.5 T through 180 about an axis perpendicular to the magnetic field?
05
Sep
A circular coil of 100 turns and having a radius of 0.05 m carries a current of 0.1 A. Calculate the work required to turn the coil in an external field of 1.5 T through 180 about an axis perpendicular to the magnetic field? so that the plane of the wire coil contains the long [...]
A wire is wrapped N times over a solid sphere of mass m which is placed on a smooth horizontal surface. A horizontal magnetic field of induction B is present. Find the (a) torque (b) angular acceleration experienced by the sphere
05
Sep
A wire is wrapped N times over a solid sphere of mass m which is placed on a smooth horizontal surface. A horizontal magnetic field of induction B is present. Find the (a) torque (b) angular acceleration experienced by the sphere so that the plane of the wire coil contains the long central axis of [...]
A wire forms a closed circular loop, of radius = 1 m and resistance 5 ohm . The circle is centered on a long straight wire; at time t = 0 the current in the long straight wire is 10 rightward. Thereafter, the current changes according to i =10 A + 5 (The straight wire is insulated; so there is no electrical contact between it and the wire of the loop.) What is the magnitude of the current induced in the loop at times t > 0 .
05
Sep
A wire forms a closed circular loop, of radius = 1 m and resistance 5 ohm . The circle is centered on a long straight wire; at time t = 0 the current in the long straight wire is 10 rightward. Thereafter, the current changes according to i =10 A + 5 (The straight wire [...]
Tags:
A long copper wire carries a current of I ampere. Calculate the magnetic flux per meter of the wire for a plane surface S inside the wire as shown in Fig. ,
A wire forms a closed circular loop ,
of radius = 1 m and resistance 5 ohm . The circle is centered on a long straight wire; at time t = 0 the current in the long straight wire is 10 rightward. Thereafter ,
A circular coil of wire 8 cm in diameter has 12 turns and carries a current of 5 A. The coil is in a field where the magnetic induction is 0.6 T. (a) What is the maximum torque on the coil? (b) In what position would the torque be half
05
Sep
A circular coil of wire 8 cm in diameter has 12 turns and carries a current of 5 A. The coil is in a field where the magnetic induction is 0.6 T. (a) What is the maximum torque on the coil? (b) In what position would the torque be half so that the plane of [...]
A coil in the shape of an equilateral triangle of side 0.02 m is suspended from a vertex such that it is hanging in a vertical plane between the pole pieces of a permanent magnet producing a horizontal magnetic field of 5 * 10^-2 T.
05
Sep
A coil in the shape of an equilateral triangle of side 0.02 m is suspended from a vertex such that it is hanging in a vertical plane between the pole pieces of a permanent magnet producing a horizontal magnetic field of 5 * 10^-2 T. so that the plane of the wire coil contains the [...]
The figure shows a wood cylinder of mass m and length L with N turns of wire wrapped around it longitudinally, so that the plane of the wire coil contains the long central axis of the cylinder.
05
Sep
The figure shows a wood cylinder of mass m and length L with N turns of wire wrapped around it longitudinally, so that the plane of the wire coil contains the long central axis of the cylinder. so that the plane of the wire coil contains the long central axis of the cylinder. The figure [...]
A square frame carry current Io is located in the same plane as a long straight wire carrying current I. the frame side has length l.the axis of a frame is parallel to the wire as shown .(a) Find the magnetic flux passing through the frame (b) the mechnical work to be performed to be framed through 90 degree about its axis .
05
Sep
A square frame carry current Io is located in the same plane as a long straight wire carrying current I. the frame side has length l.the axis of a frame is parallel to the wire as shown .(a) Find the magnetic flux passing through the frame (b) the mechnical work to be performed to be [...]
The rectangular loop in the drawing consists of 100 turns and carries a current of I = 5.0 A. Magnetic field of magnitude 2.0 T magnetic field is directed along the +y axis. The loop is free to rotate about the
05
Sep
The rectangular loop in the drawing consists of 100 turns and carries a current of I = 5.0 A. Magnetic field of magnitude 2.0 T magnetic field is directed along the +y axis. The loop is free to rotate about the A non-conducting disk of mass M and radius R has a surface charge density [...]
A non-conducting disk of mass M and radius R has a surface charge density sigma and rotates with an angular velocity omega about its axis. Show that magnetic dipole moment and angular momentum are
05
Sep
A non-conducting disk of mass M and radius R has a surface charge density sigma and rotates with an angular velocity omega about its axis. Show that magnetic dipole moment and angular momentum are A non-conducting disk of mass M and radius R has a surface charge density sigma and rotates with an angular velocity [...]