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An electron enters a uniform magnetic field B=0.23$\times$10$^{-2}$ Wb/m$^{2}$ at 45$^{\circ}$ angle to B. Determine radius and the pitch of helical path.
advanced engineering physics updated 5.9 years ago by ddigantarroy • 0
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12k
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Write a note on electrostatic focusing.
advanced engineering physics updated 5.9 years ago by ddigantarroy • 0
8
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Draw the block diagram of cathode ray tube (CRT) and briefly explain functions of its parts.
advanced engineering physics updated 5.9 years ago by ddigantarroy • 0
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Explain how A.C. voltage and its frequency is measured using CRO.
advanced engineering physics updated 5.9 years ago by ddigantarroy • 0
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9.8k
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Explain construction and working of cathode ray tube.
advanced engineering physics updated 5.9 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}$m/s in a circle of radius 5 cm.
advanced engineering physics updated 5.9 years ago by ddigantarroy • 0
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10.0k
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What do you mean by critical magnetic field and critical temperature? A lead superconductor with T$_{C}$= 7.2k has critical magnetic field of 6.5$\times$10$^{3}$ A/m at absolute zero.
advanced engineering physics updated 5.9 years ago by ddigantarroy • 0
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2.8k
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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 5.9 years ago by ddigantarroy • 0
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2.5k
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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 5.9 years ago by ddigantarroy • 0
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1.3k
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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 5.9 years ago by ddigantarroy • 0
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5.1k
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Explain Maxwell's third equation.
advanced engineering physics updated 5.9 years ago by ddigantarroy • 0
0
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9.5k
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Derive the Bethe law for electron refraction.
advanced engineering physics updated 5.9 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 5.9 years ago by ddigantarroy • 0
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1.5k
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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 5.9 years ago by ddigantarroy • 0
0
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5.4k
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1
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Write Maxwell's equations and give its physical significance.
advanced engineering physics updated 5.9 years ago by ddigantarroy • 0
0
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6.2k
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Derive Maxwells two general equations in integral and differential form.
advanced engineering physics updated 5.9 years ago by ddigantarroy • 0
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1
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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 5.9 years ago by ddigantarroy • 0
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1.4k
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Find cylindrical co-ordinates of a point (3i+4j+k).
advanced engineering physics updated 5.9 years ago by ddigantarroy • 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 5.9 years ago by ddigantarroy • 0
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2
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Show that the divergence of the curl of a vector is zero.
advanced engineering physics updated 5.9 years ago by ddigantarroy • 0
0
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1
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5.7k
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1
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What is a divergence of vector field. Express it in cartesian, spherical and cylindrical coordinates
advanced engineering physics updated 5.9 years ago by ddigantarroy • 0
0
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1
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1.5k
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1
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Explain Cylindrical co-ordinate system. State the transformation relation between Cartesian and Cylindrical co-ordinates .
advanced engineering physics updated 5.9 years ago by ddigantarroy • 0
0
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1
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1.6k
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1
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Using Spherical co-ordinate systems calculate the area of a disc of radius 2 cm.
advanced engineering physics updated 5.9 years ago by ddigantarroy • 0
5
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31k
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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 5.9 years ago by ddigantarroy • 0
1
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1
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6.8k
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What is monomode and multimode fibre? Explain the term V-number.
advanced engineering physics updated 5.9 years ago by ddigantarroy • 0
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