Chapter 6 – Magnetic Force, Moment and Torque
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Two parallel wires carry currents of 20A and 40A in opposite directions. Another wire carrying a current antiparallel to 20A is placed midway between the two wires. The magnetic force on it will be
20
Nov
Two parallel wires carry currents of 20A and 40A in opposite directions. Another wire carrying a current antiparallel to 20A is placed midway between the two wires. The magnetic force on it will be Two parallel wires carry currents of 20A and 40A in opposite directions. Another wire carrying a current antiparallel to 20A is [...]
In the figure, AB is a long straight wire carrying a current of 20A and CDFG is a rectangular loop of size 20 cm x 9cm carrying a current of 10A. The edge CG is parallel to AB, at a distance of 1cm from it. The force exerted on the loop by the magnetic field of the wire is.
20
Nov
In the figure, AB is a long straight wire carrying a current of 20A and CDFG is a rectangular loop of size 20 cm x 9cm carrying a current of 10A. The edge CG is parallel to AB, at a distance of 1cm from it. The force exerted on the loop by the magnetic field [...]
Through two parallel wires x and y, currents of 10 A and 20 A respectively are passing in opposite directions. x is infinitely long and y has a length of 2 m. The distance between them is 10 cm. The magnetic force on y is
20
Nov
Through two parallel wires x and y, currents of 10 A and 20 A respectively are passing in opposite directions. x is infinitely long and y has a length of 2 m. The distance between them is 10 cm. The magnetic force on y is currents of 10 A and 20 A respectively are passing [...]
Consider the situation shown in figure. The straight wire is fixed but the loop can move under magnetic force. The loop will
20
Nov
Consider the situation shown in figure. The straight wire is fixed but the loop can move under magnetic force. The loop will Consider the situation shown in figure. The straight wire is fixed but the loop can move under magnetic force. The loop will November 20, 2021 Category: Cengage NEET by C.P Singh , Chapter [...]
The current flows in the wire from A to D clockwise direction. The net force on ABCD
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Nov
The current flows in the wire from A to D clockwise direction. The net force on ABCD The current flows in the wire from A to D clockwise direction. The net force on ABCD November 20, 2021 Category: Cengage NEET by C.P Singh , Chapter 6 - Magnetic Force, Moment and Torque , Part 2 [...]
A semicircular wire of radius r, carrying a current i, is placed in a magnetic field of magnitude B. The force acting on it :
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Nov
A semicircular wire of radius r, carrying a current i, is placed in a magnetic field of magnitude B. The force acting on it : A semicircular wire of radius R carrying a current i is placed in a magnetic field of magnitude B. The force acting on it : November 20, 2021 Category: Cengage [...]
A current carrying straight wire is kept along the axis of a circular loop carrying a current. The straight wire
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Nov
A current carrying straight wire is kept along the axis of a circular loop carrying a current. The straight wire A current carrying straight wire is kept along the axis of a circular loop carrying a current. The straight wire November 20, 2021 Category: Cengage NEET by C.P Singh , Chapter 6 - Magnetic Force, [...]
The figure shows a circular coil and a long straight wire `AB` placed close to each other, the wire being parallel to a diameter of coil. The arrows show directions of currents. The direction of magnetic force acting on `AB` is
20
Nov
The figure shows a circular coil and a long straight wire `AB` placed close to each other, the wire being parallel to a diameter of coil. The arrows show directions of currents. The direction of magnetic force acting on `AB` is The figure shows a circular coil and a long straight wire `AB` placed close [...]
A horizontal wire of length 10 cm and mass 0.3 kg carries a current of 5 A. The magnitude of the magnetic field which can support the weight of the wire are
20
Nov
A horizontal wire of length 10 cm and mass 0.3 kg carries a current of 5 A. The magnitude of the magnetic field which can support the weight of the wire are A horizontal wire of length 10 cm and mass 0.3 kg carries a current of 5 A. The magnitude of the magnetic field [...]
A charged particle enters a magnetic field such that the direction of initial velocity are different from the direction of the field. Which of the following characteristics of the particle change with time ?
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Nov
A charged particle enters a magnetic field such that the direction of initial velocity are different from the direction of the field. Which of the following characteristics of the particle change with time ? Maximum kinetic energy of the positive ion in the cyclotron is. November 20, 2021 Category: Cengage NEET by C.P Singh , [...]