155553
The speed of an electromagnetic wave in a material medium of permeability $\mu$ and permittivity $\varepsilon$ is
1 $\frac{1}{\mu \varepsilon}$
2 $\frac{1}{2 \mu \varepsilon}$
3 $\frac{1}{\sqrt{\mu \varepsilon}}$
4 $\frac{1}{\sqrt{2 \mu \varepsilon}}$
5 $\frac{2}{\mu \varepsilon}$
Explanation:
C Speed of electromagnetic wave in a material medium of permeability $\mu$ and permittivity $\varepsilon$. $\mathrm{c}=\frac{1}{\sqrt{\varepsilon \mu}}$
Kerala CEE 2012
Electromagnetic Wave
155563
Maxwell in his famous equation of electromagnetism introduced the concept:
1 AC current
2 DC current
3 displacement current
4 impedance
Explanation:
C The Maxwell give a new quantity which is known as displacement current, which is given as the rate of change of electrical displacement field, and the equation is known as ampere Maxwell law. Displacement current $=\frac{1}{\mathrm{c}^{2}} \frac{\mathrm{dE}}{\mathrm{dt}}$.
JCECE-2005
Electromagnetic Wave
155565
For and electromagnetic wave, which of the following statements is true?
1 Electric field is constant and magnetic field varies.
2 Magnetic field is constant and electric field varies.
3 Both electric and magnetic fields are constant.
4 Both electric and magnetic field vary.
Explanation:
D Electric and magnetic field vary periodically and are coupled with each other when concurrently propagating in space giving rise to electromagnetic wave.
COMEDK 2014
Electromagnetic Wave
155567
The carrier of electromagnetic interaction is
1 Gluon
2 Photon
3 Meson
4 Graviton
Explanation:
B A photon is the quantum of electromagnetic radiation is an elementary particle that is the force carrier of the electromagnetic force.
NEET Test Series from KOTA - 10 Papers In MS WORD
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Electromagnetic Wave
155553
The speed of an electromagnetic wave in a material medium of permeability $\mu$ and permittivity $\varepsilon$ is
1 $\frac{1}{\mu \varepsilon}$
2 $\frac{1}{2 \mu \varepsilon}$
3 $\frac{1}{\sqrt{\mu \varepsilon}}$
4 $\frac{1}{\sqrt{2 \mu \varepsilon}}$
5 $\frac{2}{\mu \varepsilon}$
Explanation:
C Speed of electromagnetic wave in a material medium of permeability $\mu$ and permittivity $\varepsilon$. $\mathrm{c}=\frac{1}{\sqrt{\varepsilon \mu}}$
Kerala CEE 2012
Electromagnetic Wave
155563
Maxwell in his famous equation of electromagnetism introduced the concept:
1 AC current
2 DC current
3 displacement current
4 impedance
Explanation:
C The Maxwell give a new quantity which is known as displacement current, which is given as the rate of change of electrical displacement field, and the equation is known as ampere Maxwell law. Displacement current $=\frac{1}{\mathrm{c}^{2}} \frac{\mathrm{dE}}{\mathrm{dt}}$.
JCECE-2005
Electromagnetic Wave
155565
For and electromagnetic wave, which of the following statements is true?
1 Electric field is constant and magnetic field varies.
2 Magnetic field is constant and electric field varies.
3 Both electric and magnetic fields are constant.
4 Both electric and magnetic field vary.
Explanation:
D Electric and magnetic field vary periodically and are coupled with each other when concurrently propagating in space giving rise to electromagnetic wave.
COMEDK 2014
Electromagnetic Wave
155567
The carrier of electromagnetic interaction is
1 Gluon
2 Photon
3 Meson
4 Graviton
Explanation:
B A photon is the quantum of electromagnetic radiation is an elementary particle that is the force carrier of the electromagnetic force.
155553
The speed of an electromagnetic wave in a material medium of permeability $\mu$ and permittivity $\varepsilon$ is
1 $\frac{1}{\mu \varepsilon}$
2 $\frac{1}{2 \mu \varepsilon}$
3 $\frac{1}{\sqrt{\mu \varepsilon}}$
4 $\frac{1}{\sqrt{2 \mu \varepsilon}}$
5 $\frac{2}{\mu \varepsilon}$
Explanation:
C Speed of electromagnetic wave in a material medium of permeability $\mu$ and permittivity $\varepsilon$. $\mathrm{c}=\frac{1}{\sqrt{\varepsilon \mu}}$
Kerala CEE 2012
Electromagnetic Wave
155563
Maxwell in his famous equation of electromagnetism introduced the concept:
1 AC current
2 DC current
3 displacement current
4 impedance
Explanation:
C The Maxwell give a new quantity which is known as displacement current, which is given as the rate of change of electrical displacement field, and the equation is known as ampere Maxwell law. Displacement current $=\frac{1}{\mathrm{c}^{2}} \frac{\mathrm{dE}}{\mathrm{dt}}$.
JCECE-2005
Electromagnetic Wave
155565
For and electromagnetic wave, which of the following statements is true?
1 Electric field is constant and magnetic field varies.
2 Magnetic field is constant and electric field varies.
3 Both electric and magnetic fields are constant.
4 Both electric and magnetic field vary.
Explanation:
D Electric and magnetic field vary periodically and are coupled with each other when concurrently propagating in space giving rise to electromagnetic wave.
COMEDK 2014
Electromagnetic Wave
155567
The carrier of electromagnetic interaction is
1 Gluon
2 Photon
3 Meson
4 Graviton
Explanation:
B A photon is the quantum of electromagnetic radiation is an elementary particle that is the force carrier of the electromagnetic force.
155553
The speed of an electromagnetic wave in a material medium of permeability $\mu$ and permittivity $\varepsilon$ is
1 $\frac{1}{\mu \varepsilon}$
2 $\frac{1}{2 \mu \varepsilon}$
3 $\frac{1}{\sqrt{\mu \varepsilon}}$
4 $\frac{1}{\sqrt{2 \mu \varepsilon}}$
5 $\frac{2}{\mu \varepsilon}$
Explanation:
C Speed of electromagnetic wave in a material medium of permeability $\mu$ and permittivity $\varepsilon$. $\mathrm{c}=\frac{1}{\sqrt{\varepsilon \mu}}$
Kerala CEE 2012
Electromagnetic Wave
155563
Maxwell in his famous equation of electromagnetism introduced the concept:
1 AC current
2 DC current
3 displacement current
4 impedance
Explanation:
C The Maxwell give a new quantity which is known as displacement current, which is given as the rate of change of electrical displacement field, and the equation is known as ampere Maxwell law. Displacement current $=\frac{1}{\mathrm{c}^{2}} \frac{\mathrm{dE}}{\mathrm{dt}}$.
JCECE-2005
Electromagnetic Wave
155565
For and electromagnetic wave, which of the following statements is true?
1 Electric field is constant and magnetic field varies.
2 Magnetic field is constant and electric field varies.
3 Both electric and magnetic fields are constant.
4 Both electric and magnetic field vary.
Explanation:
D Electric and magnetic field vary periodically and are coupled with each other when concurrently propagating in space giving rise to electromagnetic wave.
COMEDK 2014
Electromagnetic Wave
155567
The carrier of electromagnetic interaction is
1 Gluon
2 Photon
3 Meson
4 Graviton
Explanation:
B A photon is the quantum of electromagnetic radiation is an elementary particle that is the force carrier of the electromagnetic force.
