Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
An electron moves on a straight line path YY’ as shown in figure. A coil is kept on the right such that YY’ is the plane of the coil. At the instant when the electron gets closest to the coil (neglect self-induction of the coil)
19
Oct
An electron moves on a straight line path YY’ as shown in figure. A coil is kept on the right such that YY’ is the plane of the coil. At the instant when the electron gets closest to the coil (neglect self-induction of the coil) A square coil ACDE with its plane vertical is released [...]
A rod lies across frictionless rails in a uniform magnetic field B as shown in figure. The rid moves to the right with speed V. In order to make the induced emf in the circuit to be zero, the magnitude of the magnetic field should
19
Oct
A rod lies across frictionless rails in a uniform magnetic field B as shown in figure. The rid moves to the right with speed V. In order to make the induced emf in the circuit to be zero, the magnitude of the magnetic field should A rod lies across frictionless rails in a uniform magnetic [...]
The four wire loops shown in figure have vertical edge lengths of either L,2L or 3L. They will move with the same speed into a region of uniform magnetic field B directed out of the page. Rank them according to the maximum magnitude of the induced emf greatest to least.
19
Oct
The four wire loops shown in figure have vertical edge lengths of either L,2L or 3L. They will move with the same speed into a region of uniform magnetic field B directed out of the page. Rank them according to the maximum magnitude of the induced emf greatest to least. 2L or 3L. They will [...]
A rectangular loop of wire with dimensions shown in figure is coplanar with a long wire carrying current ‘I’. The distance between the wire and the left side of the loop is r. The loop is pulled to the right as indicated. What are the directions of the induced current in the loop and the magnetic forces on the left and right sides of the loop when the loop is pulled ?
19
Oct
A rectangular loop of wire with dimensions shown in figure is coplanar with a long wire carrying current ‘I’. The distance between the wire and the left side of the loop is r. The loop is pulled to the right as indicated. What are the directions of the induced current in the loop and the [...]
A long conducting wire AH is moved over a conducting triangular wire CDE with a constant velocity v in a uniform magnetic field B directed into the plane of the paper. Resistance per unit length of each wire is ρ. Then
19
Oct
A long conducting wire AH is moved over a conducting triangular wire CDE with a constant velocity v in a uniform magnetic field B directed into the plane of the paper. Resistance per unit length of each wire is ρ. Then a particle having charge q is placed at a point P outside the cylindrical [...]
A square coil ACDE with its plane vertical is released from rest in a horizontal uniform magnetic field B of length 2 L ( fig) . THe acceleration of the coil is
19
Oct
A square coil ACDE with its plane vertical is released from rest in a horizontal uniform magnetic field B of length 2 L ( fig) . THe acceleration of the coil is A square coil ACDE with its plane vertical is released from rest in a horizontal uniform magnetic field B of length 2 L [...]
A conducting wire frame is placed in magnetic field which is directed into the plane of the paper ( fig ). The magnetic field is increasing at a constant rate. THe directions of induced currents in wires AB and CD are
19
Oct
A conducting wire frame is placed in magnetic field which is directed into the plane of the paper ( fig ). The magnetic field is increasing at a constant rate. THe directions of induced currents in wires AB and CD are a particle having charge q is placed at a point P outside the cylindrical [...]
A flexible wire bent in the form of a circle is placed in a uniform magnetic field perpendicularly to the plane of the coil. Thev radius of the coil changes as shown in figure. The graph of magnitude of induced emf in the coil is represeted by
19
Oct
A flexible wire bent in the form of a circle is placed in a uniform magnetic field perpendicularly to the plane of the coil. Thev radius of the coil changes as shown in figure. The graph of magnitude of induced emf in the coil is represeted by a particle having charge q is placed at [...]
A long solenoid of radius R and n be the number of turns per unit length carries a linearly increasing current i = i0/T t. A coaxial circular conducting loop of radius 2R is fitted with a parallel capacitor whose plate area is A and seperation is d. Find the
19
Oct
A long solenoid of radius R and n be the number of turns per unit length carries a linearly increasing current i = i0/T t. A coaxial circular conducting loop of radius 2R is fitted with a parallel capacitor whose plate area is A and seperation is d. Find the a particle having charge q [...]
Three identical coils A, B and C are placed with their planes parallel to one another. Fig Coils B and C carry currents as shwon. Coils B and C are fixed. The coil A is moved towards B with uniform speed. Is three any induced current in B
19
Oct
Three identical coils A, B and C are placed with their planes parallel to one another. Fig Coils B and C carry currents as shwon. Coils B and C are fixed. The coil A is moved towards B with uniform speed. Is three any induced current in B a particle having charge q is placed [...]