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Video tutorials - NEET (UG) (entrance exam) Physics: Current Electricity - Current Electricity

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shaalaa.com | Current Electricity part 1 (Introduction)

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Current Electricity part 1 (Introduction) [00:11:28]
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Series 1: playing of 30

Current Electricity
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Current Electricity part 1 (Introduction)
00:11:28
Current Electricity part 2 (Ampere, Charge flow)
00:10:03
Current Electricity part 3 (EMF :- Electro Motive Force)
00:07:15
Current Electricity part 4 (Current Scalar or Vector)
00:08:01
Current Electricity part 5 (Alternating, Direct current :- AC DC)
00:08:01
Current Electricity part 6 (Charge Carrier in Solid)
00:07:42
Current Electricity part 7 (Charge Carrier Liquid, Gas)
00:10:42
Current Electricity part 8 (Drift Velocity of electron in conductor)
00:10:10
Current Electricity part 9 (Expression :- Drift Velocity of electron)
00:09:29
Current Electricity part 10 (Current and Drift velocity)
00:06:14
Current Electricity part 11 (Ohms law)
00:04:44
Current Electricity part 12 (Resistance)
00:04:31
Current Electricity part 13 (Factors impacting resistance)
00:13:48
Current Electricity part 14 (Resistivity)
00:11:21
Current Electricity part 15 (Ohms Law derivation and limitation)
00:06:30
Current Electricity part 16 (Current density)
00:05:20
Current Electricity part 17 (Electric conductance and conductivity)
00:02:22
Current Electricity part 18 (Microscopic form of Ohms law)
00:02:57
Current Electricity part 19 (Examples, Numericals)
00:13:45
Current Electricity part 20 (Examples, Numericals)
00:11:03
Current Electricity part 21 (Examples, Numericals)
00:09:38
Current Electricity part 22 (Resistors)
00:14:14
Current Electricity part 23 (Resistors parallel and series)
00:09:20
Current Electricity part 24 (Examples, Numericals resistors)
00:10:54
Current Electricity part 25 (Examples, Numericals Wheatstone bridge)
00:12:12
Current Electricity part 26 (Examples, Numericals :- Delta Star transformation)
00:09:29
Current Electricity part 27 (Examples, Numericals :- Symmetry Problem)
00:11:26
Current Electricity part 28 (Examples, Numericals)
00:11:05
Current Electricity part 29 (Examples, Numericals)
00:13:44
Current Electricity part 30 (Examples, Numericals)
00:11:18

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Description

  • Electric current; flow of electric charges in a metallic conductor; drift velocity; mobility and their relation with electric current; Ohm's law; electrical resistance; V-1 characteristics (linear and non-linear), electrical energy and power; electrical resistivity and conductivity; Carbon resistors; colour code for carbon resistors; series and parallel combinations of resistors; temperature dependence of resistance.
  • Internal resistance of a cell; potential difference and emf of a cell combination of cells in series and in parallel; Kirchhoffs laws and simple applications; Wheatstone bridge, metre bridge.
  • Potentiometer - principle and its applications to measure potential difference and for comparing EMF of two cells; measurement of internal resistance of a cell.
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