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2
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1
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9.8k
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Explain construction and working of cathode ray tube.
advanced engineering physics updated 5.8 years ago by ddigantarroy • 0
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1.4k
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Determine the magnetic field required to bend a beam consisting of electron of speed 3$\times$10$^{7}$m/s in a circle of radius 5 cm.
advanced engineering physics updated 5.8 years ago by ddigantarroy • 0
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What do you mean by critical magnetic field and critical temperature? A lead superconductor with T$_{C}$= 7.2k has critical magnetic field of 6.5$\times$10$^{3}$ A/m at absolute zero.
advanced engineering physics updated 5.8 years ago by ddigantarroy • 0
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An electron is accelerated through a potential difference of 18kV in a color TV cathode ray tube. Calculate the kinetic energy and the speed of the electron.
advanced engineering physics updated 5.8 years ago by ddigantarroy • 0
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An electron is accelerated through a potential difference of 5 kV and enters a uniform magnetic field of 0.02 Wb/m$^{2}$ acting normal to the direction of electron motion.
advanced engineering physics updated 5.8 years ago by ddigantarroy • 0
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If $\bar A = x^{2} z \bar i -2y^{2} z^{2} \bar j + xy^{2} z \bar k$. Find A at point (1,-1,1)
advanced engineering physics updated 5.8 years ago by ddigantarroy • 0
0
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Explain Maxwell's third equation.
advanced engineering physics updated 5.8 years ago by ddigantarroy • 0
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Derive the Bethe law for electron refraction.
advanced engineering physics updated 5.8 years ago by ddigantarroy • 0
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3.8k
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How is Lissajous figures used to measure unknown frequency?
advanced engineering physics updated 5.8 years ago by ddigantarroy • 0
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Find the divergence of vector function $\bar{A}$ = x$^{2}$ $\bar i$+x$^{2}$y$^{2}$ $\bar j$+24x$^{2}$y$^{2}$z$^{3}$ $\bar k$
advanced engineering physics updated 5.8 years ago by ddigantarroy • 0
0
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5.4k
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Write Maxwell's equations and give its physical significance.
advanced engineering physics updated 5.8 years ago by ddigantarroy • 0
0
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Derive Maxwells two general equations in integral and differential form.
advanced engineering physics updated 5.8 years ago by ddigantarroy • 0
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1.2k
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Find the divergence of vector field F=x$^{2}$yz $\bar i$+xz$\bar j$
advanced engineering physics updated 5.8 years ago by ddigantarroy • 0
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Find cylindrical co-ordinates of a point (3i+4j+k).
advanced engineering physics updated 5.8 years ago by ddigantarroy • 0
0
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1.7k
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Explain Spherical co-ordinate system. State the transformation relation between Cartesian and Spherical co-ordinates.
advanced engineering physics updated 5.8 years ago by ddigantarroy • 0
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Show that the divergence of the curl of a vector is zero.
advanced engineering physics updated 5.8 years ago by ddigantarroy • 0
0
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5.7k
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What is a divergence of vector field. Express it in cartesian, spherical and cylindrical coordinates
advanced engineering physics updated 5.8 years ago by ddigantarroy • 0
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1.6k
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Explain Cylindrical co-ordinate system. State the transformation relation between Cartesian and Cylindrical co-ordinates .
advanced engineering physics updated 5.8 years ago by ddigantarroy • 0
0
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1.6k
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Using Spherical co-ordinate systems calculate the area of a disc of radius 2 cm.
advanced engineering physics updated 5.8 years ago by ddigantarroy • 0
5
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Draw the block diagram of an optical fibre communication system and explain the function of each block.
advanced engineering physics updated 5.8 years ago by ddigantarroy • 0
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What is monomode and multimode fibre? Explain the term V-number.
advanced engineering physics updated 5.8 years ago by ddigantarroy • 0
0
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A parallel beam of light of wavelength 5890A$^{\circ}$ is incident on a glass plate
advanced engineering physics updated 5.8 years ago by ddigantarroy • 0
1
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3.2k
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A glass material A with which an optical fibre is made has a refractive index of 1.55. this material is clad with another material whose refractive index is 1.51.
advanced engineering physics updated 5.8 years ago by ddigantarroy • 0
0
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1
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15k
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Derive the formula for numerical aperture of step index fibre and give its physical significance. The N.A. of an optical fibre is 0.5 and core refractive index is 1.54.
advanced engineering physics updated 5.8 years ago by ddigantarroy • 0
2
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18k
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With neat diagram explain the concept of total internal reflection (TIR).
advanced engineering physics updated 5.8 years ago by ddigantarroy • 0
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