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A rod of length l is rotating with an angular speed ω about one of its ends which is at a distance a from an infinitely lonf wire carrying current i. Find the emf induced in the rod at the instant shown in fig.
19
Oct
A rod of length l is rotating with an angular speed ω about one of its ends which is at a distance a from an infinitely lonf wire carrying current i. Find the emf induced in the rod at the instant shown in fig. Figure shows a rectangular loop moving in a uniform magnetic field. [...]
Rod PQ of length 2l is rotating about its midpoint C in a uniform magnetic field B which is perpendicular to the plane of rotation of the rod . Find the induced emf between PQ and PC. Draw the circuit diagram of parts PC and CQ.
19
Oct
Rod PQ of length 2l is rotating about its midpoint C in a uniform magnetic field B which is perpendicular to the plane of rotation of the rod . Find the induced emf between PQ and PC. Draw the circuit diagram of parts PC and CQ. Figure shows a rectangular loop moving in a uniform [...]
A rectangular loop is moving parallel to a long wire carrying current i with a velocity v. Find the emf induced in the loop if its nearest end is at a distance a from the wire. Draw equivalent electrical diagram.
19
Oct
A rectangular loop is moving parallel to a long wire carrying current i with a velocity v. Find the emf induced in the loop if its nearest end is at a distance a from the wire. Draw equivalent electrical diagram. Figure shows a rectangular loop moving in a uniform magnetic field. Show the electrical equivalence [...]
A rectangular loop , as shown in figure, moves away from an infinitely long wire carrying a current i . Find the emf induced in the rectangular loop.
19
Oct
A rectangular loop , as shown in figure, moves away from an infinitely long wire carrying a current i . Find the emf induced in the rectangular loop. A rectangular loop as shown in figure moves away from an infinitely long wire carrying a current i . Find the emf induced in the rectangular loop. [...]
A rod of length l is kept parallel to a long wire carrying constant current i . It is moving away from the wire with a velocity v. Find the emf induced in the wire when its distance from the long wire is x.
19
Oct
A rod of length l is kept parallel to a long wire carrying constant current i . It is moving away from the wire with a velocity v. Find the emf induced in the wire when its distance from the long wire is x. Figure shows a rectangular loop moving in a uniform magnetic field. [...]
Rod PQ of length 2 l is rotating about one end P in a uniform magnetic field B which is perpendicular to the plane of rotation of the rod . Point M is the mid- point of the rod. Find the induced emf between M and Q if the potential between P and Q is 100 V.
19
Oct
Rod PQ of length 2 l is rotating about one end P in a uniform magnetic field B which is perpendicular to the plane of rotation of the rod . Point M is the mid- point of the rod. Find the induced emf between M and Q if the potential between P and Q is [...]
A ring rotates with angular velocity ω about an axis in the plane of the ring which passes through the center of the ring. A constant magnetic field B exists perpendicualr to the plane of the ring . Find the emf induced in the ring as a function of time.
19
Oct
A ring rotates with angular velocity ω about an axis in the plane of the ring which passes through the center of the ring. A constant magnetic field B exists perpendicualr to the plane of the ring . Find the emf induced in the ring as a function of time. Figure shows a rectangular loop [...]
A rod PQ of length l is rotating about end P, with an angular velocity ω. Due to electrifugal forceed the free electrons in the rod move toward the end Q and an emf is created. Find the induced emf.
19
Oct
A rod PQ of length l is rotating about end P, with an angular velocity ω. Due to electrifugal forceed the free electrons in the rod move toward the end Q and an emf is created. Find the induced emf. A rod PQ of length l is rotating about end P with an angular velocity [...]
A ring rotates with angular velocity omega about an axis perpendicular to the plane of the ring passing through the center of the ring (figure). A constant magnetic field B exists parallel to the axis. Find the emf induced in the ring.
19
Oct
A ring rotates with angular velocity omega about an axis perpendicular to the plane of the ring passing through the center of the ring (figure). A constant magnetic field B exists parallel to the axis. Find the emf induced in the ring. Figure shows a rectangular loop moving in a uniform magnetic field. Show the [...]
wo blocks of mass 4kg and 2kg are connected by a heavy string and placed on rough horizontal plane. The 2 kg block is pulled with a constant force F. the coefficient of friction between the blocks and the ground is 0.5. what is the value of F so that tension in the string is constant throughout the length? (g=10m/s^2)
19
Oct
wo blocks of mass 4kg and 2kg are connected by a heavy string and placed on rough horizontal plane. The 2 kg block is pulled with a constant force F. the coefficient of friction between the blocks and the ground is 0.5. what is the value of F so that tension in the string is [...]