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An infinitely long current carrying wire carries current i. A charge of mass m and charge q is projected with speed v parallel to the direction of current at a diatance r from it. Then, the radius of curvature at the point of projection is
17
Oct
An infinitely long current carrying wire carries current i. A charge of mass m and charge q is projected with speed v parallel to the direction of current at a diatance r from it. Then, the radius of curvature at the point of projection is An infinitely long current carrying wire carries current i. A [...]
Two positive charge q1 and q2 are moving with velocities v1 and v2 when they are at points A and B, respectively, as shown in figure. THe magnetic force experienced by charge q1 due to the other charge q2 is
17
Oct
Two positive charge q1 and q2 are moving with velocities v1 and v2 when they are at points A and B, respectively, as shown in figure. THe magnetic force experienced by charge q1 due to the other charge q2 is as shown in figure. THe magnetic force experienced by charge q1 due to the other [...]
Two very long straight parallel wires carry steady currents i and 2i in opposite directions. The distance between the wires is d. At a certain instant of time a point charge q is at a point equidistant from the two wires in the plane of the wires. Its instantaneous velocity v→ is perpendicular to this plane. The magnitude of the force due to the magnetic field acting on t he charge at this instant is
17
Oct
Two very long straight parallel wires carry steady currents i and 2i in opposite directions. The distance between the wires is d. At a certain instant of time a point charge q is at a point equidistant from the two wires in the plane of the wires. Its instantaneous velocity v→ is perpendicular to this [...]
Two infinite wires, carrying currents i1 and i2 are lying along x – and y – axes as shown in the x- y plane. Then ,
17
Oct
Two infinite wires, carrying currents i1 and i2 are lying along x – and y – axes as shown in the x- y plane. Then , carrying currents i1 and i2 are lying along x - and y - axes as shown in the x- y plane. Then Two infinite wires October 17, 2020 Category: [...]
Currents I1 and I2 flow in the wires shown in figure. THe field is zero at distance x to the right of O. then
17
Oct
Currents I1 and I2 flow in the wires shown in figure. THe field is zero at distance x to the right of O. then Currents I1 and I2 flow in the wires shown in figure. THe field is zero at distance x to the right of O. then October 17, 2020 Category: Uncategorised (JEE Advanced [...]
Two parallel wires carrying equal currents in opposite directions are placed at x = +-a parallel to y- axis with z = 0 . Magnetic field at origin O is B1 and at P ( 2a, 0 , 0 ) is B2. Then, the ratio B1 /B2 is
17
Oct
Two parallel wires carrying equal currents in opposite directions are placed at x = +-a parallel to y- axis with z = 0 . Magnetic field at origin O is B1 and at P ( 2a, 0 , 0 ) is B2. Then, the ratio B1 /B2 is 0 ) is B2. Then the ratio [...]
Two identical wires A and B have the same length l and carry the same current I. Wire A is bent into a circle of radius R and wire B is bent to form a square of side a. If B1 and B2 are the values of magnetic induction at the centre of the circle and the centre of the square, respectively, then the ratio B1/B2 is
17
Oct
Two identical wires A and B have the same length l and carry the same current I. Wire A is bent into a circle of radius R and wire B is bent to form a square of side a. If B1 and B2 are the values of magnetic induction at the centre of the circle [...]
A coaxial cable consists of a thin inner conductor fixed along the axis of a hollow outer conductor. The two conductor carry equal currents in opposite directions. Let B1andB2 be the magnetic fields in the region between the conductors and outside the conductor, respectively. Then,
17
Oct
A coaxial cable consists of a thin inner conductor fixed along the axis of a hollow outer conductor. The two conductor carry equal currents in opposite directions. Let B1andB2 be the magnetic fields in the region between the conductors and outside the conductor, respectively. Then, Figure shows three cases: in all cases the circular part [...]
Two concentric coils each of radius equal to 2 π cm are placed at right angles to each other 3 ampere and 4 ampere are the currents flowing in each coil respectively. The magnetic induction in weber/m^2 at the centre of the coils will be (μ0 = 4π × 10^−7 Wb/A.m)
17
Oct
Two concentric coils each of radius equal to 2 π cm are placed at right angles to each other 3 ampere and 4 ampere are the currents flowing in each coil respectively. The magnetic induction in weber/m^2 at the centre of the coils will be (μ0 = 4π × 10^−7 Wb/A.m) Figure shows three cases: [...]
An infinitely long conductor PQR is bent to form a right angle as shown in figure. A current I flows through PQR. The magnetic field due to this current carrying conductor a the point M is B 1 . Now, another infinitely long straight conductor QS, is connected at Q so that the current is 2 1 I is QR as well as in QS, the current in PQ remaining unchanged. The magnetic field at M is now B 2 . the ratio B 1 /B 2 is given by
17
Oct
An infinitely long conductor PQR is bent to form a right angle as shown in figure. A current I flows through PQR. The magnetic field due to this current carrying conductor a the point M is B 1 . Now, another infinitely long straight conductor QS, is connected at Q so that the current [...]
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An infinitely long conductor PQR is bent to form a right angle as shown in figure. A current I flows through PQR. The magnetic field due to this current carrying conductor a the point M is B 1 . Now ,
another infinitely long straight conductor QS ,
is connected at Q so that the current is 2 1 I is QR as well as in QS ,
the current in PQ remaining unchanged. The magnetic field at M is now B 2 . the ratio B 1 /B 2 is given by ,