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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.
Mode 2 In this mode transistor gets turned off by the negative output of PWM current flows through inductance L diode D then divide into two parts one flows through
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Usage of transistor: The bipolar junction transistor that is abbreviated as BJT was the most generally used transistor in the 1960s and 70s. Even later than MOSFETs became ext
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Find the resistance of 1 km of copper cable having a diameter of 10 mm if the resistivity of copper is 0.017 x 10 -6 Ωm.
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(a) Describe why ordinary junction transistor is known as bipolar. (b) Describe working of NPN transistor as common Base configuration. Describe working of NPN transistor in
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