03. Motion of Charge Particle in Combined of Electric and Magnetic Field
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Moving Charges & Magnetism

153699 An electron (e) is revolving in a circular orbit of radius ' $r$ ' in hydrogen atom. The angular momentum of the electron is $(M=$ magnetic dipole moment associated with it and $m=$ mass of electron)

1 $\frac{2 \mathrm{mM}}{\mathrm{e}}$
2 $\frac{4 \mathrm{mM}}{\mathrm{e}}$
3 $\frac{3 \mathrm{Mm}}{\mathrm{e}}$
4 $\frac{\mathrm{mM}}{\mathrm{e}}$
MHT-CET 2020
Moving Charges & Magnetism

153701 A particle with charge $q$ moves with a velocity $v$ in a direction perpendicular to the directions of uniform electric and magnetic field, $E$ and $B$ respectively, which are mutually perpendicular to each other. Which one of the following gives the conditions for which the particle moves undeflected in its original trajectory?

1 $v=\frac{E}{B}$
2 $v=\frac{B}{E}$
3 $v=\sqrt{\frac{E}{B}}$
4 $v=q \frac{B}{E}$
WB JEE 2019
Moving Charges & Magnetism

153703 The magnetic fields at the centre $O$ in the given figure is :

1 $\frac{7}{14} \frac{\mu_{0} \mathrm{I}}{\mathrm{R}}$
2 $\frac{5}{12} \frac{\mu_{0} \mathrm{I}}{\mathrm{R}}$
3 $\frac{3}{10} \frac{\mu_{0} \mathrm{I}}{\mathrm{R}}$
4 $\frac{\mu_{0} I}{12 R}$
Karnataka CET-2019
Moving Charges & Magnetism

153704 Find the ratio of electric and magnetic field due to point charge moving with speed $4.5 \times 10^{5} \mathrm{~m} / \mathrm{s}$.

1 $2 \times 10^{11}$
2 $3 \times 10^{11}$
3 $2 \times 10^{8}$
4 $3 \times 10^{12}$
AIIMS-25.05.2019(E) Shift-2
For More Updates join with Us
Moving Charges & Magnetism

153699 An electron (e) is revolving in a circular orbit of radius ' $r$ ' in hydrogen atom. The angular momentum of the electron is $(M=$ magnetic dipole moment associated with it and $m=$ mass of electron)

1 $\frac{2 \mathrm{mM}}{\mathrm{e}}$
2 $\frac{4 \mathrm{mM}}{\mathrm{e}}$
3 $\frac{3 \mathrm{Mm}}{\mathrm{e}}$
4 $\frac{\mathrm{mM}}{\mathrm{e}}$
MHT-CET 2020
Moving Charges & Magnetism

153701 A particle with charge $q$ moves with a velocity $v$ in a direction perpendicular to the directions of uniform electric and magnetic field, $E$ and $B$ respectively, which are mutually perpendicular to each other. Which one of the following gives the conditions for which the particle moves undeflected in its original trajectory?

1 $v=\frac{E}{B}$
2 $v=\frac{B}{E}$
3 $v=\sqrt{\frac{E}{B}}$
4 $v=q \frac{B}{E}$
WB JEE 2019
Moving Charges & Magnetism

153703 The magnetic fields at the centre $O$ in the given figure is :

1 $\frac{7}{14} \frac{\mu_{0} \mathrm{I}}{\mathrm{R}}$
2 $\frac{5}{12} \frac{\mu_{0} \mathrm{I}}{\mathrm{R}}$
3 $\frac{3}{10} \frac{\mu_{0} \mathrm{I}}{\mathrm{R}}$
4 $\frac{\mu_{0} I}{12 R}$
Karnataka CET-2019
Moving Charges & Magnetism

153704 Find the ratio of electric and magnetic field due to point charge moving with speed $4.5 \times 10^{5} \mathrm{~m} / \mathrm{s}$.

1 $2 \times 10^{11}$
2 $3 \times 10^{11}$
3 $2 \times 10^{8}$
4 $3 \times 10^{12}$
AIIMS-25.05.2019(E) Shift-2
NEET DIGITAL LIBRARY
Moving Charges & Magnetism

153699 An electron (e) is revolving in a circular orbit of radius ' $r$ ' in hydrogen atom. The angular momentum of the electron is $(M=$ magnetic dipole moment associated with it and $m=$ mass of electron)

1 $\frac{2 \mathrm{mM}}{\mathrm{e}}$
2 $\frac{4 \mathrm{mM}}{\mathrm{e}}$
3 $\frac{3 \mathrm{Mm}}{\mathrm{e}}$
4 $\frac{\mathrm{mM}}{\mathrm{e}}$
MHT-CET 2020
Moving Charges & Magnetism

153701 A particle with charge $q$ moves with a velocity $v$ in a direction perpendicular to the directions of uniform electric and magnetic field, $E$ and $B$ respectively, which are mutually perpendicular to each other. Which one of the following gives the conditions for which the particle moves undeflected in its original trajectory?

1 $v=\frac{E}{B}$
2 $v=\frac{B}{E}$
3 $v=\sqrt{\frac{E}{B}}$
4 $v=q \frac{B}{E}$
WB JEE 2019
Moving Charges & Magnetism

153703 The magnetic fields at the centre $O$ in the given figure is :

1 $\frac{7}{14} \frac{\mu_{0} \mathrm{I}}{\mathrm{R}}$
2 $\frac{5}{12} \frac{\mu_{0} \mathrm{I}}{\mathrm{R}}$
3 $\frac{3}{10} \frac{\mu_{0} \mathrm{I}}{\mathrm{R}}$
4 $\frac{\mu_{0} I}{12 R}$
Karnataka CET-2019
Moving Charges & Magnetism

153704 Find the ratio of electric and magnetic field due to point charge moving with speed $4.5 \times 10^{5} \mathrm{~m} / \mathrm{s}$.

1 $2 \times 10^{11}$
2 $3 \times 10^{11}$
3 $2 \times 10^{8}$
4 $3 \times 10^{12}$
AIIMS-25.05.2019(E) Shift-2
Join With Us for More Updates
Moving Charges & Magnetism

153699 An electron (e) is revolving in a circular orbit of radius ' $r$ ' in hydrogen atom. The angular momentum of the electron is $(M=$ magnetic dipole moment associated with it and $m=$ mass of electron)

1 $\frac{2 \mathrm{mM}}{\mathrm{e}}$
2 $\frac{4 \mathrm{mM}}{\mathrm{e}}$
3 $\frac{3 \mathrm{Mm}}{\mathrm{e}}$
4 $\frac{\mathrm{mM}}{\mathrm{e}}$
MHT-CET 2020
Moving Charges & Magnetism

153701 A particle with charge $q$ moves with a velocity $v$ in a direction perpendicular to the directions of uniform electric and magnetic field, $E$ and $B$ respectively, which are mutually perpendicular to each other. Which one of the following gives the conditions for which the particle moves undeflected in its original trajectory?

1 $v=\frac{E}{B}$
2 $v=\frac{B}{E}$
3 $v=\sqrt{\frac{E}{B}}$
4 $v=q \frac{B}{E}$
WB JEE 2019
Moving Charges & Magnetism

153703 The magnetic fields at the centre $O$ in the given figure is :

1 $\frac{7}{14} \frac{\mu_{0} \mathrm{I}}{\mathrm{R}}$
2 $\frac{5}{12} \frac{\mu_{0} \mathrm{I}}{\mathrm{R}}$
3 $\frac{3}{10} \frac{\mu_{0} \mathrm{I}}{\mathrm{R}}$
4 $\frac{\mu_{0} I}{12 R}$
Karnataka CET-2019
Moving Charges & Magnetism

153704 Find the ratio of electric and magnetic field due to point charge moving with speed $4.5 \times 10^{5} \mathrm{~m} / \mathrm{s}$.

1 $2 \times 10^{11}$
2 $3 \times 10^{11}$
3 $2 \times 10^{8}$
4 $3 \times 10^{12}$
AIIMS-25.05.2019(E) Shift-2
For More Updates join with Us