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With neat energy diagram describe the construction of a He-Ne LASER. What are its merits and demerits? State the role of helium in He-Ne laser. Why are gases novel medium for lasers.
engineering physics updated 3.1 years ago by sagarkolekar ★ 11k
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What is propagation impairment Mechanisms
engineering physics updated 3.5 years ago by yashbeer ★ 11k
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Microprocessor & Assembly
engineering physics updated 3.4 years ago by fa18-bcs-929 • 10
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Explain, Sonic Velocity for Adiabatic Process.
engineering physics updated 3.0 years ago by prajapatijaimin • 3.3k
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Is hetero type laser or hetero led more advantageous?
engineering physics updated 3.1 years ago by RakeshBhuse • 3.2k
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Iron crystallizes in BCC lattice with a unit cell length of 5.20 A at 20 degree Celcius determine the distance between nearest neighbour
engineering physics updated 3.2 years ago by yashbeer ★ 11k
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Show diagrammatically working of LCD in absence and presence of electric field
engineering physics updated 3.2 years ago by prakhar1144 ★ 5.0k
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Engineering physics first year
engineering physics updated 3.3 years ago by omkargavhan699 • 20
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Design a built up column to support an axial load of 1200 KN. The column is 8m in length and is restrained in position but not in direction at both the ends. Using single lacing system with riveted co
engineering physics updated 3.3 years ago by abuzarbe669 • 20
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Explain in brief noise triangle in FM.
engineering physics updated 3.3 years ago by Krishna_Agrawal • 2.7k
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If diameter of these overlapping rings is 0.5 cm, find radius of curvature of the plano-convex lens.
engineering physics updated 3.3 years ago by sagarkolekar ★ 11k
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12. In the network given below find the value of Vb so that the current flowing through the ohm 2+3j
engineering physics updated 3.4 years ago by ritik2105si223 • 20
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Given $\overline{J}=10^{3}\sin\theta\hat{a_{r}}\space A/m^{2}$ in spherical co-ordinate, find the current crossing the spherical shell of r=0.02 m where r is radius of shell.
engineering physics updated 3.4 years ago by DevarenjiniP • 3.2k
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JFET Voltage Divider Design Question.
engineering physics updated 6.3 years ago by jamesmicheal • 0
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Define accuracy, precision and sensitivity with suitable example.
engineering physics updated 3.9 years ago by teamques10 ★ 69k
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Derive the equations for Av, Ai, Ri and Ro for a NPN transistor in CE mode voltage divider bias configuration with RE unbypassed.
engineering physics updated 3.9 years ago by teamques10 ★ 69k
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Draw the circuit diagram of a half wave rectifier with the capacitor filter and the corresponding input and output waveforms for the same.
engineering physics updated 3.9 years ago by teamques10 ★ 69k
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With the help of a neat diagram explain the output characteristics of an NPN transistor in common emitter configuration.
engineering physics updated 3.9 years ago by teamques10 ★ 69k
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Draw the following in a cubic unit cell (0 1 2), (1 2 3), [1 2 1]
engineering physics updated 3.9 years ago by teamques10 ★ 69k
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With a neat labelled diagram explain the principle, construction and working of a piezoelectric oscillator.
engineering physics updated 3.9 years ago by teamques10 ★ 69k
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Explain Hall effect & its significance. With a neat diagram derive the expression for the hall voltage & Hall co-efficient.
engineering physics updated 3.9 years ago by teamques10 ★ 69k
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Draw (a) (1 1 2) (b) (0 4 0) (c) [0 4 0] with reference to a cubic unit cell
engineering physics updated 3.9 years ago by teamques10 ★ 69k
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What are carbon nanotubes? Describe production of single walled carbon nano tube by LASER method.
engineering physics updated 3.9 years ago by teamques10 ★ 69k
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Define and write significance of Viscosity and Viscosity Index.
engineering physics updated 3.9 years ago by teamques10 ★ 69k
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