Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
A uniform but time varying magnetic field B (t ) exists in a cylindrical region of radius a and is directed into the plane of the paper,as shown in figure. THe magnetic field decreases at a constant rate inside the region. If r is the distance from the axis of the cylindrical region, then match column I with column II.
21
Oct
A uniform but time varying magnetic field B (t ) exists in a cylindrical region of radius a and is directed into the plane of the paper,as shown in figure. THe magnetic field decreases at a constant rate inside the region. If r is the distance from the axis of the cylindrical region, then match [...]
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A uniform but time varying magnetic field B (t ) exists in a cylindrical region of radius a and is directed into the plane of the paper ,
as shown in figure. THe magnetic field decreases at a constant rate inside the region. If r is the distance from the axis of the cylindrical region ,
then match column I with column II. ,
Two straight conducting rails form a right angle where their ends are joined. A conducting bar in contact with the rails starts at the vertex at time t = 0 and moves with constant velocity v along them as shown in Fig. A magnetic field B is directed into the page. the induced emf in the circuit at any time t is proportional to
21
Oct
Two straight conducting rails form a right angle where their ends are joined. A conducting bar in contact with the rails starts at the vertex at time t = 0 and moves with constant velocity v along them as shown in Fig. A magnetic field B is directed into the page. the induced emf in [...]
In a region there exists a magnetic field b0 along positive x axis. A metallic wire of elngth 2 a, one side along x -axis. A metallic wire of length 2 a, one side along x – axis with a angular velocity. Then at the instant shown
21
Oct
In a region there exists a magnetic field b0 along positive x axis. A metallic wire of elngth 2 a, one side along x -axis. A metallic wire of length 2 a, one side along x – axis with a angular velocity. Then at the instant shown In a region there exists a magnetic field [...]
A square loop is placed near a long straight current carrying wire as shown in figure. Match the following table.
21
Oct
A square loop is placed near a long straight current carrying wire as shown in figure. Match the following table. A square loop is placed near a long straight current carrying wire as shown in figure. Match the following table. October 21, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
ABC is an equilateral triangular frame of mass m and side r . It is at rest under the action of horizontal magnetic field B ( as shown ) and the gravitational field.
21
Oct
ABC is an equilateral triangular frame of mass m and side r . It is at rest under the action of horizontal magnetic field B ( as shown ) and the gravitational field. ABC is an equilateral triangular frame of mass m and side r . It is at rest under the action of horizontal [...]
A rectangular coil 20 cm×10 cm having 500 turns rotates in a magnetic field of 5 × 10^−3 T with a frequency of 1200 rev/min about an axis perpendicular to the field.
21
Oct
A rectangular coil 20 cm×10 cm having 500 turns rotates in a magnetic field of 5 × 10^−3 T with a frequency of 1200 rev/min about an axis perpendicular to the field. A rectangular coil 20 cm×10 cm having 500 turns rotates in a magnetic field of 5 × 10^−3 T with a frequency of [...]
Uniform magnetic field B = 5 T is acting in the region of length L = 5 m as shown in Fig. A square loop of side L/5 enters in it with constant acceleration a=1ms−2. Resistance per unit length of the square frame is 1(Ω)/m. At t = 1 s
21
Oct
Uniform magnetic field B = 5 T is acting in the region of length L = 5 m as shown in Fig. A square loop of side L/5 enters in it with constant acceleration a=1ms−2. Resistance per unit length of the square frame is 1(Ω)/m. At t = 1 s A semicircle conducting ring of [...]
A conducting rod length l is moved at constant velocity v 0 on two parallel, conducting, smooth, fixed rails, which are placed in a uniform constant magnetic field B perpendicular to the plane of the rails as shown in figure. A resistance R is connected between the two ends of the rail. Then which of the following is/are correct?
21
Oct
A conducting rod length l is moved at constant velocity v 0 on two parallel, conducting, smooth, fixed rails, which are placed in a uniform constant magnetic field B perpendicular to the plane of the rails as shown in figure. A resistance R is connected between the two ends of the rail. Then which [...]
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A conducting rod length l is moved at constant velocity v 0 on two parallel ,
A semicircle conducting ring of radius R is placed in the xy plane ,
as shown in figure. A uniform magnetic field is set up along the x-axis . No emf ,
conducting ,
fixed rails ,
smooth ,
will be induced in the ring if ,
A square conducting loop is placed in the neighbourhood of a coplanar long straight wire carrying a current i .
21
Oct
A square conducting loop is placed in the neighbourhood of a coplanar long straight wire carrying a current i . A square conducting loop is placed in the neighbourhood of a coplanar long straight wire carrying a current i . October 21, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
A bar magnet is moved along the axis of a copper ring placed far away from the magnet. Looking from the side of the magnet, an anticlockwise current is found to be induced in the ring. Which of the following may be true?
21
Oct
A bar magnet is moved along the axis of a copper ring placed far away from the magnet. Looking from the side of the magnet, an anticlockwise current is found to be induced in the ring. Which of the following may be true? A bar magnet is moved along the axis of a copper ring [...]