Current Electricity

Khyber Pakhtunkhwa Board > Class 12 > Physics (Total Videos: 474)

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Chapter 12: Current Electricity (64 videos)   (Practice Test)
12.1: Steady Current  (Practice Test)
  1. Electric Current
  2. Problem-Electric Current
  3. Steady Current
  4. Source of Current
12.2: Drift Velocity in Conductor
  1. Current Through a Metallic Conductor
  2. Problem-Current Through a Metallic Conductor
  3. Electroencephalography(EEG)
12.3: Ohms Law  (Practice Test)
  1. Ohm's law
  2. More on Ohm's law
  3. Problem-Ohm's Law
12.4: Electrical Resistance  (Practice Test)
  1. Electrical Resistance
  2. Problem-Electrical Resistances
  3. Resistivity and its Dependence Upon Temperature
  4. More on Resistivity and its Dependence Upon Temperature
  5. Problem-Resistivity and its Dependence Upon Temperature
12.5: Specific Resistance or Resistivity  (Practice Test)
  1. Specific Resistance
  2. Problem 2-Specific Resistance
12.6: Conductance
  1. Conductance and Conductivity
12.7: Conductivity
  1. Conductance and Conductivity
12.8: Effect of Temperature on Resistance
  1. Effect of Temperature on Resistance
  2. Problem 1-Effect of Temperature Upon Resistance
  3. Problem 2-Effect of Temperature Upon Resistance
12.9: Wire-wound Variable Resistors  (Practice Test)
  1. Types of Resistors
  2. More on Types of Resistors
  3. Colour Code for Carbon Resistances
  4. Problem1-Color Code for Carbon Resistances
  5. Problem2-Color Code for Carbon Resistances
  6. Rheostat
  7. More on Rheostat
  8. Potential Divider
  9. Problem- Potential Divider
12.10: Thermistor  (Practice Test)
  1. Thermistor
  2. Thermistors
  3. Thermisters
12.11: Electromotive Force  (Practice Test)
  1. Electromotive Force (EMF) and Potential Difference
  2. More on Electromotive Force (EMF) and Potential Difference
  3. Problem-Electromotive Force (EMF) and Potential Difference
12.12: Internal Resistance of a Supply
  1. Relation Between Electromotive Force and Potential Difference and Int
  2. More on Relation Between Electromotive Force and Potential Difference
  3. Problem-Relation Between Electromotive Force and Potential Difference
12.13: Electric Power  (Practice Test)
  1. Electric Power
  2. Problem 1-Electric Power
  3. Problem 2-Electric Power
  4. Electrical Power and Power Dissipation in Resistors
  5. Problem-Electrical Power and Power Dissipation in Resistors
  6. Kilowatt Hour
12.14: Maximum Power Output
  1. Maximum Power Output
  2. Problem-Maximum Power Output
12.15: Resistance Thermometers
  1. Resistance Thermometer
12.16: Kirchoffs Laws
  1. Kirchhoff's First Rules
  2. Kirchhoff's Second Rule
  3. Problem-Kirchhoff's Second Rule
  4. More on Problem-Kirchhoff's Second Rule
  5. Node Analysis
  6. Problem-Node Analysis
  7. Loop Analysis
  8. More on Problem-Loop Analysis
  9. Problem-Loop Analysis
12.17: Wheatstone Bridge
  1. Wheatstone Bridge
  2. Problem-Wheatstone Bridge
  3. More on Problem-Wheatstone Bridge
12.18: Potentiometer
  1. Potentiometer
  2. More on Potentiometer
  3. Problem-Potentiometer