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Properties of a semiconductor:
What properties of a semiconductor are determined from a Hall effect experiment ?
Sol. The Hall Effect experiment is used to determine the following properties of semiconductors.
(i) To determine whether semiconductor is n type or p type.
(ii) To measure semiconductor parameter like electron or hole concentration.
(iii) To find electron or hole mobility.
(iv) To measure conductivity of material.
Explain Hysteresis loop. Hysteresis loop: In a ferromagnetic material, the flux density B raises while external applied magnetic field H to it is raised. When the saturation
Explain the different instruction formats with examples The instruction set is grouped into the following formats One byte instruction MOV C,A Two byte instruction
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what is the graph of inverting comparator,if input voltage less than reference voltage
Q. A transformer has its maximum efficiency of 0.9800 when it delivers 15 kVA at unity power factor. During the day it is loaded as follows: 12 hours 2 kW at power factor 0.5
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What are the precautions to be taken before basic work on electrical installations? Ans: Before starting any electrical works on installations disconnect the power supply to
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