Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
A closed coil having 20 turns, area of cross section 1 cm^2 and resistance 2 ohms are connected to a ballistic galvamnometer of resistance 30 ohms. if the normal of the coil inclined at 60 degree to the direction of the magnetic field of the intensity 1.5 Wb m/s the coil is quickly pulled out of the field to a region of zero magnetic field . calculate the charge passed through the galvanometer.
05
Sep
A closed coil having 20 turns, area of cross section 1 cm^2 and resistance 2 ohms are connected to a ballistic galvamnometer of resistance 30 ohms. if the normal of the coil inclined at 60 degree to the direction of the magnetic field of the intensity 1.5 Wb m/s the coil is quickly pulled out [...]
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A closed coil having 20 turns ,
A long copper wire carries a current of I ampere. Calculate the magnetic flux per meter of the wire for a plane surface S inside the wire as shown in Fig. ,
A square wire loop with L= 1 m sides is perpendicular to a uniform magnetic field ,
A wire forms a closed circular loop ,
of radius = 1 m and resistance 5 ohm . The circle is centered on a long straight wire; at time t = 0 the current in the long straight wire is 10 rightward. Thereafter ,
A uniform constant magnetic field B is directed at an angle of 45 to the x-axis in the xy- plane . PQRS is a rigid, square wire frame carrying a steady current I0, with its centre at the origin O. At time t=0, the frame is at rest in the position as shown in figure , with its sides parallel to the xandy axis. Each side of the frame is of mass M and length L. (a) What is the torque τ about O acting on the frame due to the magnetic field? (b) Find the angle by which the frame rotates under the action of this torque in a short interval of time
05
Sep
A uniform constant magnetic field B is directed at an angle of 45 to the x-axis in the xy- plane . PQRS is a rigid, square wire frame carrying a steady current I0, with its centre at the origin O. At time t=0, the frame is at rest in the position as shown in figure [...]
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A uniform constant magnetic field B is directed at an angle of 45 to the x-axis in the xy- plane . PQRS is a rigid ,
An electron gun G emits electrons of energy 2keV travelling in the positive x-direction. The electrons are required to hit the spot S where GS = 0.1m ,
and the line GS makes an angle of 60 with the x-axis as shown in figure. A uniform magnetic field B parallel to GS exists in the region outside the electron gun. ,
square wire frame carrying a steady current I0 ,
the frame is at rest in the position as shown in figure ,
with its centre at the origin O. At time t=0 ,
An electron in the ground state of hydrogen atom is revolving in anticlock-wise direction in a circular orbit of radius R. (i) Obtain an experssion for the orbital magnetic dipole moment of the electron. (ii) The atom is placed in a uniform magnetic induction B such that the plane normal of the electron orbit makes an angle of 30
05
Sep
An electron in the ground state of hydrogen atom is revolving in anticlock-wise direction in a circular orbit of radius R. (i) Obtain an experssion for the orbital magnetic dipole moment of the electron. (ii) The atom is placed in a uniform magnetic induction B such that the plane normal of the electron orbit makes [...]
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An electron gun G emits electrons of energy 2keV travelling in the positive x-direction. The electrons are required to hit the spot S where GS = 0.1m ,
and the line GS makes an angle of 60 with the x-axis as shown in figure. A uniform magnetic field B parallel to GS exists in the region outside the electron gun. ,
A square wire loop with L= 1 m sides is perpendicular to a uniform magnetic field, with half the area of the loop in the field (see Fig.). the resistance of the loop is 35 ohm and the loop contains an ideal battery with emf = 6 V . if magnitude of the field varies with time according to B = 5 – 2t , with B is testlals and t in seconds what are (a) the net emf in the circuit (b) the direction of the current around the loop.
05
Sep
A square wire loop with L= 1 m sides is perpendicular to a uniform magnetic field, with half the area of the loop in the field (see Fig.). the resistance of the loop is 35 ohm and the loop contains an ideal battery with emf = 6 V . if magnitude of the field varies [...]
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A long copper wire carries a current of I ampere. Calculate the magnetic flux per meter of the wire for a plane surface S inside the wire as shown in Fig. ,
A square wire loop with L= 1 m sides is perpendicular to a uniform magnetic field ,
A wire forms a closed circular loop ,
of radius = 1 m and resistance 5 ohm . The circle is centered on a long straight wire; at time t = 0 the current in the long straight wire is 10 rightward. Thereafter ,
An electron gun G emits electrons of energy 2keV travelling in the positive x-direction. The electrons are required to hit the spot S where GS = 0.1m, and the line GS makes an angle of 60 with the x-axis as shown in figure. A uniform magnetic field B parallel to GS exists in the region outside the electron gun.
05
Sep
An electron gun G emits electrons of energy 2keV travelling in the positive x-direction. The electrons are required to hit the spot S where GS = 0.1m, and the line GS makes an angle of 60 with the x-axis as shown in figure. A uniform magnetic field B parallel to GS exists in the region [...]
Tags:
An electron gun G emits electrons of energy 2keV travelling in the positive x-direction. The electrons are required to hit the spot S where GS = 0.1m ,
and the line GS makes an angle of 60 with the x-axis as shown in figure. A uniform magnetic field B parallel to GS exists in the region outside the electron gun. ,
A particle of mass m and charge +q enters a region of magnetic field with a velocity v, as shown in figure. (a) Find the angle subtended by the circular arc described by it in the magnetic field. (b) How long does the particle stay inside
05
Sep
A particle of mass m and charge +q enters a region of magnetic field with a velocity v, as shown in figure. (a) Find the angle subtended by the circular arc described by it in the magnetic field. (b) How long does the particle stay inside A particle of mass m and charge +q enters [...]
The coil of a galvanometer is 0.02 * 0.8 m^2. It consists of 200 turns of the wire and is in a magnetic field of 0.20 T. The restoring torque constant of suspension fibre is 10^-5 Nm/degree. Assuming magnetic field to be radial
05
Sep
The coil of a galvanometer is 0.02 * 0.8 m^2. It consists of 200 turns of the wire and is in a magnetic field of 0.20 T. The restoring torque constant of suspension fibre is 10^-5 Nm/degree. Assuming magnetic field to be radial A galvanometer having 30 divisions has current sensitivity of 20 muA/division. Find [...]
Two straight conducting rails from a right angle where their end are joined. A conducting bar placed over the rails starts at vertex at the time t=0 and moves with a constant velocity of 5 m/s along them to the right as shown in the figure. Calculate the emf of the triangle at the time t =4.0 s?
05
Sep
Two straight conducting rails from a right angle where their end are joined. A conducting bar placed over the rails starts at vertex at the time t=0 and moves with a constant velocity of 5 m/s along them to the right as shown in the figure. Calculate the emf of the triangle at the time [...]
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A long copper wire carries a current of I ampere. Calculate the magnetic flux per meter of the wire for a plane surface S inside the wire as shown in Fig. ,
A wire forms a closed circular loop ,
of radius = 1 m and resistance 5 ohm . The circle is centered on a long straight wire; at time t = 0 the current in the long straight wire is 10 rightward. Thereafter ,
A rectangular coil of area 5.0 * 10^-4m^2 and 60 turns is pivoted about one of its vertical sides. The coil is in a radial horizontal field o f 90 G (radial here means the field liners are in the plane of the coil for any rotation).
05
Sep
A rectangular coil of area 5.0 * 10^-4m^2 and 60 turns is pivoted about one of its vertical sides. The coil is in a radial horizontal field o f 90 G (radial here means the field liners are in the plane of the coil for any rotation). A galvanometer having 30 divisions has current sensitivity [...]
A galvanometer having 30 divisions has current sensitivity of 20 muA/division. Find the maximum current it can measure.
05
Sep
A galvanometer having 30 divisions has current sensitivity of 20 muA/division. Find the maximum current it can measure. A galvanometer having 30 divisions has current sensitivity of 20 muA/division. Find the maximum current it can measure. September 5, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,