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4
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2
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929
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Piezo electric effect and its application.
engineering physics updated 2.5 years ago by Dhiraj_sharma • 40
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A uniform metal disc of radius $R$ is taken and out of it a disc of diameter $\displaystyle\frac{R}{2}$ is cut-off from the end. Find the center of mass of remaining part?
engineering physics updated 2.5 years ago by kunalpathare1119 • 260
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Find the work done in moving a particle in a force field given by \[\bar{F}=3xy\ \hat{i}-5z\hat{j}+10x\hat{k}\] along the curve x=t2+1, y=2t2, z=t3 from t=1 to t=2
engineering physics updated 2.5 years ago by Munna9493 • 100
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What are nano materials? Mention two reasons why properties of materials differ at the nano scale.
engineering physics updated 2.5 years ago by DevarenjiniP • 3.1k
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Crystal oscilator
engineering physics updated 2.5 years ago by kunalpathare1119 • 260
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Draw and Explain the block diagram of general purpose CRO
engineering physics updated 2.5 years ago by Krishna_Agrawal • 2.7k
3
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772
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Describe various types of sweeps used in CRO
engineering physics updated 2.5 years ago by kshirsagarsousu1963 • 500
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A body is projected vertically upwards. If $t_1$ and $t_2$ be the instants at which it is at a height $h$ above the point of projection, while ascending and descending respectively.Then find $h$ !!
engineering physics updated 2.5 years ago by Sharad • 130
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Classify solids on the basis of energy band diagram.
engineering physics updated 3.0 years ago by teamques10 ★ 65k
3
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Voltage Regulators
engineering physics updated 2.5 years ago by rajattiwari785 • 40
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Explain special effects of the following metals on properties of alloy steels. (i) Chromium (ii) Nickel (iii) Cobalt (iv) Tungsten
engineering physics updated 3.0 years ago by teamques10 ★ 65k
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What is nano material? Give two properties of nano materials which make them different and superior to conventional materials.
engineering physics updated 3.0 years ago by teamques10 ★ 65k
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494
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State and explain Ohm's law in magnetic circuit.
engineering physics updated 3.0 years ago by teamques10 ★ 65k
10
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What is piezoelectric effect? Explain the working of a piezoelectric oscillator used to produce ultrasound.
engineering physics updated 7.8 years ago by teamques10 ★ 65k
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1
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419
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1
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Explain the following properties and discuss its significance Viscosity and Viscosity index.
engineering physics updated 3.0 years ago by teamques10 ★ 65k
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38k
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1
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Describe principle, construction and working of magnetostriction oscillator to produce ultrasonic waves.
engineering physics updated 7.8 years ago by teamques10 ★ 65k
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1
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6.1k
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1
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Fermi Energy for silver is 5-5eV. Find out energy for which the probability of occupancy at 300 K is 0.9.
engineering physics updated 7.8 years ago by teamques10 ★ 65k
2
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1
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5.6k
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What is Fermi level in semiconductor? Show that in intrinsic semiconductor Fermi level is always at the middle between the forbidden energy gaps.
engineering physics updated 7.8 years ago by teamques10 ★ 65k
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1
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478
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1
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Explain formation of energy bands in solids and explain classification on the basis of energy band theory.
engineering physics updated 3.0 years ago by teamques10 ★ 65k
0
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1
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430
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1
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What is dielectric polarization and dielectric susceptibility? Write the relation between them.
engineering physics updated 3.0 years ago by teamques10 ★ 65k
2
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1
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17k
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1
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Zn has HCP structure. The nearest neighbor distance is 0.27nm. The atomic weight of Zn is 65.37. Calculate the volume of unit cell, density and atomic packing fraction of Zn.
engineering physics updated 7.4 years ago by teamques10 ★ 65k
0
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1
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425
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Write Sabine's formula and explain the terms used in it.
engineering physics updated 3.0 years ago by teamques10 ★ 65k
0
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1
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434
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1
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How Lissajous figure are used to determine phase difference?
advanced engineering physics engineering physics updated 2.4 years ago by pedsangini276 • 4.8k
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1
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953
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Define ligancy. Find the value of critical radius ratio for ligancy 4.
engineering physics updated 3.0 years ago by teamques10 ★ 65k
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483
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Give the main physical changes that take place at the nano scale with its applications.
engineering physics updated 3.0 years ago by teamques10 ★ 65k
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