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Prove that the Fermi level lies exactly at the centre of the forbidden energy gap in case of an intrinsic semiconductor.
engineering physics updated 2.7 years ago by pedsangini276 • 4.8k
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What is Hall effect ? Derive expression for Hall voltage.
engineering physics updated 2.7 years ago by pedsangini276 • 4.8k
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1.8k
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What is Hall Effect?
ic technology engineering physics updated 2.7 years ago by teamques10 ★ 66k
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What are lissajous figures? How are they obtained?
engineering physics updated 2.7 years ago by pedsangini276 • 4.8k
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497
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How Lissajous figure are used to determine phase difference?
advanced engineering physics engineering physics updated 2.7 years ago by pedsangini276 • 4.8k
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Prove that internal energy is a property of the system.
engineering physics updated 2.7 years ago by Krishna_Agrawal • 2.7k
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565
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Write a note on piezoelectric transducer.
engineering physics updated 2.7 years ago by pedsangini276 • 4.8k
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553
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What are ultrasonic waves? State magnetostriction effect.
engineering physics updated 2.7 years ago by pedsangini276 • 4.8k
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Explain reverberation and reverberation time. Explain various methods for design of good acoustics.
engineering physics updated 2.7 years ago by pedsangini276 • 4.8k
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Discuss the condition required for a film to act as anti-reflection coating. Why do coated lenses look purple by reflected light?
engineering physics updated 2.7 years ago by sagarkolekar ★ 11k
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Draw the following planes (121), (100), (111)
engineering physics updated 2.7 years ago by pedsangini276 • 4.8k
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What is Fermi level and Fermi energy? Write Fermi-Dirac distribution function.
engineering physics updated 2.8 years ago by pedsangini276 • 4.8k
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435
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Explain x-t, v-t and a-t curves in Kinematics.
engineering physics updated 2.8 years ago by pedsangini276 • 4.8k
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Crystal oscilator
engineering physics updated 2.8 years ago by kunalpathare1119 • 260
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Why is LED not used in long distance fibre optics communication?
engineering physics updated 2.9 years ago by yashbeer ★ 11k
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Describe various types of sweeps used in CRO
engineering physics updated 2.9 years ago by kshirsagarsousu1963 • 500
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What are nano materials? Mention two reasons why properties of materials differ at the nano scale.
engineering physics updated 2.9 years ago by DevarenjiniP • 3.2k
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Draw and Explain the block diagram of general purpose CRO
engineering physics updated 2.9 years ago by Krishna_Agrawal • 2.7k
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Piezo electric effect and its application.
engineering physics updated 2.9 years ago by Dhiraj_sharma • 40
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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 2.9 years ago by Sharad • 150
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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 2.9 years ago by kunalpathare1119 • 260
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Voltage Regulators
engineering physics updated 2.9 years ago by rajattiwari785 • 40
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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 2.9 years ago by Munna9493 • 100
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735
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What is Force relationships in engineering?
engineering physics updated 3.1 years ago by teamques10 ★ 66k
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(Duplicate) Define Accuracy and precision in measurement.
engineering physics updated 3.1 years ago by yashbeer ★ 11k
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