02. Motion of Charge Particle in Magnetic Field
Moving Charges & Magnetism

153584 A narrow beam of protons and deuterons, each having the same momentum, enters a region of uniform magnetic field directed perpendicular to their direction of momentum. The ratio of the radii of the circular paths described by them is

1 $1: 2$
2 $1: 1$
3 $2: 1$
4 $1: 3$
Moving Charges & Magnetism

153585 A deuteron of kinetic energy $50 \mathrm{keV}$ is describing a circular orbit of radius 0.5 metre in a plane perpendicular to the magnetic field B. The kinetic energy of the proton that describes a circular orbit of radius 0.5 metre in the same plane with the same $B$ is

1 $25 \mathrm{keV}$
2 $50 \mathrm{keV}$
3 $200 \mathrm{keV}$
4 $100 \mathrm{keV}$
Moving Charges & Magnetism

153588 A wire loop that encloses an area of $20 \mathrm{~cm}^{2}$ has a resistance of $10 \Omega$. The loop is placed in a magnetic field of $2.4 \mathrm{~T}$ with its plane perpendicular to the field. The loop is suddenly removed from the field. How much charge flows pass a given point in the wire?

1 $12 \times 10^{-4} \mathrm{C}$
2 $10^{-1} \mathrm{C}$
3 $4.8 \times 10^{-4} \mathrm{C}$
4 $2.4 \times 10^{-3} \mathrm{C}$
Moving Charges & Magnetism

153591 Two identical coils each of radius $R$ and each carrying a current $I$ in the same direction are placed along a common axis and separated by distance $R$. At the midpoint between the two coils the

1 Magnetic field is Zero
2 magnetic field is $0.8 \sqrt{0.8} \mu_{0} \mathrm{I} / \mathrm{R}$
3 second derivative of magnetic field $\mathrm{d}^{2} \mathrm{~B} / \mathrm{dx}^{2}=0$
4 first derivative of magnetic field $\mathrm{dB} / \mathrm{dx}=0$
Moving Charges & Magnetism

153593 Under the influence of a uniform magnetic field a charged particle is moving in a circle of radius $R$ with constant speed $v$. The time period of the motion

1 depends on $\mathrm{v}$ and not on $\mathrm{R}$
2 depends on both $\mathrm{R}$ and $\mathrm{v}$
3 is independent of both $\mathrm{R}$ and $\mathrm{v}$
4 depends on $\mathrm{R}$ and not on $\mathrm{v}$
Moving Charges & Magnetism

153584 A narrow beam of protons and deuterons, each having the same momentum, enters a region of uniform magnetic field directed perpendicular to their direction of momentum. The ratio of the radii of the circular paths described by them is

1 $1: 2$
2 $1: 1$
3 $2: 1$
4 $1: 3$
Moving Charges & Magnetism

153585 A deuteron of kinetic energy $50 \mathrm{keV}$ is describing a circular orbit of radius 0.5 metre in a plane perpendicular to the magnetic field B. The kinetic energy of the proton that describes a circular orbit of radius 0.5 metre in the same plane with the same $B$ is

1 $25 \mathrm{keV}$
2 $50 \mathrm{keV}$
3 $200 \mathrm{keV}$
4 $100 \mathrm{keV}$
Moving Charges & Magnetism

153588 A wire loop that encloses an area of $20 \mathrm{~cm}^{2}$ has a resistance of $10 \Omega$. The loop is placed in a magnetic field of $2.4 \mathrm{~T}$ with its plane perpendicular to the field. The loop is suddenly removed from the field. How much charge flows pass a given point in the wire?

1 $12 \times 10^{-4} \mathrm{C}$
2 $10^{-1} \mathrm{C}$
3 $4.8 \times 10^{-4} \mathrm{C}$
4 $2.4 \times 10^{-3} \mathrm{C}$
Moving Charges & Magnetism

153591 Two identical coils each of radius $R$ and each carrying a current $I$ in the same direction are placed along a common axis and separated by distance $R$. At the midpoint between the two coils the

1 Magnetic field is Zero
2 magnetic field is $0.8 \sqrt{0.8} \mu_{0} \mathrm{I} / \mathrm{R}$
3 second derivative of magnetic field $\mathrm{d}^{2} \mathrm{~B} / \mathrm{dx}^{2}=0$
4 first derivative of magnetic field $\mathrm{dB} / \mathrm{dx}=0$
Moving Charges & Magnetism

153593 Under the influence of a uniform magnetic field a charged particle is moving in a circle of radius $R$ with constant speed $v$. The time period of the motion

1 depends on $\mathrm{v}$ and not on $\mathrm{R}$
2 depends on both $\mathrm{R}$ and $\mathrm{v}$
3 is independent of both $\mathrm{R}$ and $\mathrm{v}$
4 depends on $\mathrm{R}$ and not on $\mathrm{v}$
Moving Charges & Magnetism

153584 A narrow beam of protons and deuterons, each having the same momentum, enters a region of uniform magnetic field directed perpendicular to their direction of momentum. The ratio of the radii of the circular paths described by them is

1 $1: 2$
2 $1: 1$
3 $2: 1$
4 $1: 3$
Moving Charges & Magnetism

153585 A deuteron of kinetic energy $50 \mathrm{keV}$ is describing a circular orbit of radius 0.5 metre in a plane perpendicular to the magnetic field B. The kinetic energy of the proton that describes a circular orbit of radius 0.5 metre in the same plane with the same $B$ is

1 $25 \mathrm{keV}$
2 $50 \mathrm{keV}$
3 $200 \mathrm{keV}$
4 $100 \mathrm{keV}$
Moving Charges & Magnetism

153588 A wire loop that encloses an area of $20 \mathrm{~cm}^{2}$ has a resistance of $10 \Omega$. The loop is placed in a magnetic field of $2.4 \mathrm{~T}$ with its plane perpendicular to the field. The loop is suddenly removed from the field. How much charge flows pass a given point in the wire?

1 $12 \times 10^{-4} \mathrm{C}$
2 $10^{-1} \mathrm{C}$
3 $4.8 \times 10^{-4} \mathrm{C}$
4 $2.4 \times 10^{-3} \mathrm{C}$
Moving Charges & Magnetism

153591 Two identical coils each of radius $R$ and each carrying a current $I$ in the same direction are placed along a common axis and separated by distance $R$. At the midpoint between the two coils the

1 Magnetic field is Zero
2 magnetic field is $0.8 \sqrt{0.8} \mu_{0} \mathrm{I} / \mathrm{R}$
3 second derivative of magnetic field $\mathrm{d}^{2} \mathrm{~B} / \mathrm{dx}^{2}=0$
4 first derivative of magnetic field $\mathrm{dB} / \mathrm{dx}=0$
Moving Charges & Magnetism

153593 Under the influence of a uniform magnetic field a charged particle is moving in a circle of radius $R$ with constant speed $v$. The time period of the motion

1 depends on $\mathrm{v}$ and not on $\mathrm{R}$
2 depends on both $\mathrm{R}$ and $\mathrm{v}$
3 is independent of both $\mathrm{R}$ and $\mathrm{v}$
4 depends on $\mathrm{R}$ and not on $\mathrm{v}$
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Moving Charges & Magnetism

153584 A narrow beam of protons and deuterons, each having the same momentum, enters a region of uniform magnetic field directed perpendicular to their direction of momentum. The ratio of the radii of the circular paths described by them is

1 $1: 2$
2 $1: 1$
3 $2: 1$
4 $1: 3$
Moving Charges & Magnetism

153585 A deuteron of kinetic energy $50 \mathrm{keV}$ is describing a circular orbit of radius 0.5 metre in a plane perpendicular to the magnetic field B. The kinetic energy of the proton that describes a circular orbit of radius 0.5 metre in the same plane with the same $B$ is

1 $25 \mathrm{keV}$
2 $50 \mathrm{keV}$
3 $200 \mathrm{keV}$
4 $100 \mathrm{keV}$
Moving Charges & Magnetism

153588 A wire loop that encloses an area of $20 \mathrm{~cm}^{2}$ has a resistance of $10 \Omega$. The loop is placed in a magnetic field of $2.4 \mathrm{~T}$ with its plane perpendicular to the field. The loop is suddenly removed from the field. How much charge flows pass a given point in the wire?

1 $12 \times 10^{-4} \mathrm{C}$
2 $10^{-1} \mathrm{C}$
3 $4.8 \times 10^{-4} \mathrm{C}$
4 $2.4 \times 10^{-3} \mathrm{C}$
Moving Charges & Magnetism

153591 Two identical coils each of radius $R$ and each carrying a current $I$ in the same direction are placed along a common axis and separated by distance $R$. At the midpoint between the two coils the

1 Magnetic field is Zero
2 magnetic field is $0.8 \sqrt{0.8} \mu_{0} \mathrm{I} / \mathrm{R}$
3 second derivative of magnetic field $\mathrm{d}^{2} \mathrm{~B} / \mathrm{dx}^{2}=0$
4 first derivative of magnetic field $\mathrm{dB} / \mathrm{dx}=0$
Moving Charges & Magnetism

153593 Under the influence of a uniform magnetic field a charged particle is moving in a circle of radius $R$ with constant speed $v$. The time period of the motion

1 depends on $\mathrm{v}$ and not on $\mathrm{R}$
2 depends on both $\mathrm{R}$ and $\mathrm{v}$
3 is independent of both $\mathrm{R}$ and $\mathrm{v}$
4 depends on $\mathrm{R}$ and not on $\mathrm{v}$
Moving Charges & Magnetism

153584 A narrow beam of protons and deuterons, each having the same momentum, enters a region of uniform magnetic field directed perpendicular to their direction of momentum. The ratio of the radii of the circular paths described by them is

1 $1: 2$
2 $1: 1$
3 $2: 1$
4 $1: 3$
Moving Charges & Magnetism

153585 A deuteron of kinetic energy $50 \mathrm{keV}$ is describing a circular orbit of radius 0.5 metre in a plane perpendicular to the magnetic field B. The kinetic energy of the proton that describes a circular orbit of radius 0.5 metre in the same plane with the same $B$ is

1 $25 \mathrm{keV}$
2 $50 \mathrm{keV}$
3 $200 \mathrm{keV}$
4 $100 \mathrm{keV}$
Moving Charges & Magnetism

153588 A wire loop that encloses an area of $20 \mathrm{~cm}^{2}$ has a resistance of $10 \Omega$. The loop is placed in a magnetic field of $2.4 \mathrm{~T}$ with its plane perpendicular to the field. The loop is suddenly removed from the field. How much charge flows pass a given point in the wire?

1 $12 \times 10^{-4} \mathrm{C}$
2 $10^{-1} \mathrm{C}$
3 $4.8 \times 10^{-4} \mathrm{C}$
4 $2.4 \times 10^{-3} \mathrm{C}$
Moving Charges & Magnetism

153591 Two identical coils each of radius $R$ and each carrying a current $I$ in the same direction are placed along a common axis and separated by distance $R$. At the midpoint between the two coils the

1 Magnetic field is Zero
2 magnetic field is $0.8 \sqrt{0.8} \mu_{0} \mathrm{I} / \mathrm{R}$
3 second derivative of magnetic field $\mathrm{d}^{2} \mathrm{~B} / \mathrm{dx}^{2}=0$
4 first derivative of magnetic field $\mathrm{dB} / \mathrm{dx}=0$
Moving Charges & Magnetism

153593 Under the influence of a uniform magnetic field a charged particle is moving in a circle of radius $R$ with constant speed $v$. The time period of the motion

1 depends on $\mathrm{v}$ and not on $\mathrm{R}$
2 depends on both $\mathrm{R}$ and $\mathrm{v}$
3 is independent of both $\mathrm{R}$ and $\mathrm{v}$
4 depends on $\mathrm{R}$ and not on $\mathrm{v}$