Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
A uniform magnetic field B exists in the region between x = 0 and x = 3 R/2 (region 2 in the figure) pointing normally into the plane of the paper. A particle with charge +Q and momentum p directed along x-axis enters region 2 from region 1 at point P 1 (y =−R). Which of the following option(s) is/are correct?
16
Oct
A uniform magnetic field B exists in the region between x = 0 and x = 3 R/2 (region 2 in the figure) pointing normally into the plane of the paper. A particle with charge +Q and momentum p directed along x-axis enters region 2 from region 1 at point P 1 (y =−R). Which [...]
A particle of mass M and positive charge Q, moving with a constant velocity u 1 = 4 i ^m/s , enters a region of uniform static magnetic field normal to the x-y plane. The region of the magnetic field extends from x=0 to x=L for all values of y. After passing through this region, the particle emerges on the other side after 10 milliseconds with a velocity u 2 = 2( 3 i ^ + j ^)m/s . The correct statement(s) is (are)
16
Oct
A particle of mass M and positive charge Q, moving with a constant velocity u 1 = 4 i ^m/s , enters a region of uniform static magnetic field normal to the x-y plane. The region of the magnetic field extends from x=0 to x=L for all values of y. After passing through this region, [...]
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A particle of mass M and positive charge Q ,
enters a region of uniform static magnetic field normal to the x-y plane. The region of the magnetic field extends from x=0 to x=L for all values of y. After passing through this region ,
moving with a constant velocity u 1 = 4 i ^m/s ,
the particle emerges on the other side after 10 milliseconds with a velocity u 2 = 2( 3 i ^ + j ^)m/s . The correct statement(s) is (are) ,
The dipole moment of a circular loop carrying a current I, is m and the magnetic field at the centre of the loop is B1 . When the dipole moment is doubled by keeping the current constant, the magnetic field at the centre of the loop is B2 . The ratio B1/B2 is:
16
Oct
The dipole moment of a circular loop carrying a current I, is m and the magnetic field at the centre of the loop is B1 . When the dipole moment is doubled by keeping the current constant, the magnetic field at the centre of the loop is B2 . The ratio B1/B2 is: is m [...]
Consider the motion of a positive point charge in a region where are simultaneous uniform electric and magnetic field E =E 0 j ^ and B =B 0 j ^ . At time t=0, this charge has velocity v in the x-y plane, making an angle θ with the x-axis. Which of the following option(s) is (are) correct for time t>0?
16
Oct
Consider the motion of a positive point charge in a region where are simultaneous uniform electric and magnetic field E =E 0 j ^ and B =B 0 j ^ . At time t=0, this charge has velocity v in the x-y plane, making an angle θ with the x-axis. Which [...]
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Consider the motion of a positive point charge in a region where are simultaneous uniform electric and magnetic field E =E 0 j ^ and B =B 0 j ^ . At time t=0 ,
making an angle θ with the x-axis. Which of the following option(s) is (are) correct for time t>0? ,
this charge has velocity v in the x-y plane ,
A thin wire of length L is connected to two adjacent fixed points and carries a current I in the clockwise direction , as shown in the figure. When the system is put in a uniform magnetic field of strength B going into the plane of the paper , the wire takes the shape of a circle . The tension in the wire is
16
Oct
A thin wire of length L is connected to two adjacent fixed points and carries a current I in the clockwise direction , as shown in the figure. When the system is put in a uniform magnetic field of strength B going into the plane of the paper , the wire takes the shape of [...]
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A thin wire of length L is connected to two adjacent fixed points and carries a current I in the clockwise direction ,
as shown in the figure. When the system is put in a uniform magnetic field of strength B going into the plane of the paper ,
the wire takes the shape of a circle . The tension in the wire is ,
An electron and a proton are moving on straight parallel paths with same velocity. They enter a semi- infinite region of uniform magnetic field perpendicular to the velocity . which of the following statements is/ are true ?
16
Oct
An electron and a proton are moving on straight parallel paths with same velocity. They enter a semi- infinite region of uniform magnetic field perpendicular to the velocity . which of the following statements is/ are true ? a deuteron and an α- particle having the same kinetic energy are moving in circular trajectors in [...]
A loop carrying current I lies in the x – y plane as shown in figure. The unit vector K is comming out of the plane of the paper. The magnetic moment of the current loop is
16
Oct
A loop carrying current I lies in the x – y plane as shown in figure. The unit vector K is comming out of the plane of the paper. The magnetic moment of the current loop is A loop carrying current I lies in the x - y plane as shown in figure. The unit [...]
A conductor lies along the z axis at -1.5 < z < 1.5 m and carries a fixed current of 10 A in -az diirection . For a field B = 3.0 x 10 ^-4 e^ -0.2 x ay T, Find the power required to move the conductor at constant speed to x = 2 m , y = 0 m in 5 x 10^-3 s. Assume parallel motion along the x – axis.
16
Oct
A conductor lies along the z axis at -1.5 < z < 1.5 m and carries a fixed current of 10 A in -az diirection . For a field B = 3.0 x 10 ^-4 e^ -0.2 x ay T, Find the power required to move the conductor at constant speed to x = 2 [...]
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A conductor lies along the z axis at -1.5 < z < 1.5 m and carries a fixed current of 10 A in -az diirection . For a field B = 3.0 x 10 ^-4 e^ -0.2 x ay T ,
Find the power required to move the conductor at constant speed to x = 2 m ,
y = 0 m in 5 x 10^-3 s. Assume parallel motion along the x - axis. ,
A proton, a deuteron and an α- particle having the same kinetic energy are moving in circular trajectors in a constant magnetic field. If rp,rd and rα denote respectively the radii of the trajectories of these particles then . which one of the following relation is correct ?
16
Oct
A proton, a deuteron and an α- particle having the same kinetic energy are moving in circular trajectors in a constant magnetic field. If rp,rd and rα denote respectively the radii of the trajectories of these particles then . which one of the following relation is correct ? a deuteron and an α- particle having [...]
A charged particle having charge 10^−6 C and mass of 10^−10 kg is fired from the middle of the plate making an angle 30∘ with plane of the plate. Length of the plate is 0.17 m and it is separated by 0. 1m. Electric field E = 10^−3 N/C is present between the plates. Just outside the plates magnetic field is present. Find the velocity of projection of charged particle and magnitude of the magnetic field perpendicular to the plane of the figure, if it has to graze the plate at C and A parallel to the surface of the plate. (Neglect gravity)
16
Oct
A charged particle having charge 10^−6 C and mass of 10^−10 kg is fired from the middle of the plate making an angle 30∘ with plane of the plate. Length of the plate is 0.17 m and it is separated by 0. 1m. Electric field E = 10^−3 N/C is present between the plates. Just [...]
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A charged particle of mass m = 1 mg and charge q = 1(μ)C enter along AB at point A in a uniform magnetic field B = 1.2 T existing in the rectangular region of size a×b ,
where a = 4 m and b = 3 m. The particle leaves the region exactly at corner point C. What is the speed v(∈ms−1) of the particle? ,