Faraday’s Law Of Induction
Induced emf - Example 1(Loop kept inside a time-varying magnetic field)
- Definition of Faraday’s Law
- Induced emf in a loop
- Magnetic flux
- Magnetic field lines
- Change in flux
- Equation: Faraday’s Law of Induction
- Loop inside a time-varying magnetic field
- Direction of induced emf
- Example: A loop in a time-varying magnetic field
- Calculation of induced emf
Slide 11
Faraday’s Law Of Induction - Induced EMF
- Definition of induced EMF
- Induced EMF in a loop
- Magnetic flux
- Magnetic field lines
- Change in magnetic flux
Slide 12
Faraday’s Law Of Induction - Equation
- Faraday’s Law of Induction equation
- Relationship between induced EMF and rate of change of magnetic flux
Slide 13
Faraday’s Law Of Induction - Loop Inside a Time-Varying Magnetic Field
- Loop placed inside a time-varying magnetic field
- Magnetic field lines changing with time
- Flux through the loop changes with time
Slide 14
Faraday’s Law Of Induction - Direction of Induced EMF
- Direction of induced EMF as per Lenz’s Law
- Lenz’s Law and conservation of energy
- Induced EMF opposes the change in magnetic flux
Slide 15
Faraday’s Law Of Induction - Example: A Loop in a Time-Varying Magnetic Field
- Example scenario: Loop in a time-varying magnetic field
- Increasing magnetic field strength
- Decreasing magnetic field strength
Slide 16
Faraday’s Law Of Induction - Calculation of Induced EMF
- Calculation of induced EMF in the loop
- Relationship between induced EMF and change in magnetic flux
- Calculation steps using Faraday’s Law equation
- Units of induced EMF
Slide 17
Faraday’s Law Of Induction - Induced EMF - Example 2 (Rotation of a Coil in Magnetic Field)
- Example scenario: A coil rotating in a magnetic field
- Change in magnetic flux due to rotation
- Calculation of induced EMF in the coil
- Concept of rotational motion and magnetic field
Slide 18
Faraday’s Law Of Induction - Lenz’s Law - Example 3 (Magnetic Field due to a Current-Carrying Wire)
- Example scenario: Magnetic field due to a current-carrying wire
- Change in magnetic field due to change in current
- Calculation of induced EMF using Lenz’s Law
Slide 19
Faraday’s Law Of Induction - Self Inductance
- Self-inductance definition
- Induced EMF in a coil due to self-induction
- Induced EMF equation for self-inductance
- Lenz’s Law and self-inductance
Slide 20
Faraday’s Law Of Induction - Mutual Inductance
- Mutual inductance definition
- Induced EMF in a coil due to mutual induction
- Faraday’s Law and mutual inductance
- Calculation of induced EMF in a coil due to mutual induction
Slide 21
Faraday’s Law Of Induction - Induced EMF - Example 1(Loop kept inside a time-varying magnetic field)
- Example scenario: Loop kept inside a time-varying magnetic field
- Loop dimensions and magnetic field characteristics
- Time-varying magnetic field pattern
- Calculation of induced EMF in the loop
- Unit of magnetic field strength
Slide 22
Faraday’s Law Of Induction - Magnetic Flux - Example 1(Loop kept inside a time-varying magnetic field)
- Magnetic flux definition
- Calculation of magnetic flux
- Flux through the loop in the example scenario
- Change in magnetic flux over time
- Relationship with induced EMF
Slide 23
Faraday’s Law Of Induction - Electromagnetic Induction - Example 2(Coil rotating in magnetic field)
- Example scenario: Coil rotating in a magnetic field
- Change in flux with rotation
- Calculation of induced EMF in the coil
- Concept of rotational motion and magnetic field
- Application in electric generators
Slide 24
Faraday’s Law Of Induction - Induced EMF - Example 2(Coil rotating in magnetic field)
- Induced EMF calculation steps for rotating coil example
- Relationship between number of turns and induced EMF
- Units for number of turns and induced EMF
- Role of coil resistance in induced EMF
- Application in motors and generators
Slide 25
Faraday’s Law Of Induction - Lenz’s Law - Example 3(Magnetic field due to current-carrying wire)
- Example scenario: Magnetic field due to current-carrying wire
- Change in magnetic field strength with current variation
- Calculation of induced EMF using Lenz’s Law
- Magnetic field direction around the wire
- Magnetic field interaction with nearby objects
Slide 26
Faraday’s Law Of Induction - Self Inductance - Example 1(Coil with changing current)
- Example scenario: Coil with changing current
- Calculation of induced EMF due to self-inductance
- Relationship between rate of change of current and induced EMF
- Unit of self-inductance
- Role of self-inductance in electronic circuits
Slide 27
Faraday’s Law Of Induction - Inductance - Example 1(Coil with changing current)
- Definition of inductance
- Calculation of inductance for a coil
- Relationship between inductance and magnetic field
- Factors affecting inductance for different coils
- Inductance in energy storage devices
Slide 28
Faraday’s Law Of Induction - Mutual Inductance - Example 1(Interacting coils)
- Example scenario: Interacting coils
- Calculation of induced EMF due to mutual induction
- Relationship between number of turns and induced EMF
- Mutual inductance equation
- Application in transformers
Slide 29
Faraday’s Law Of Induction - Induced EMF - Example 1(Interacting coils)
- Calculation of induced EMF in interacting coils example
- Relationship between flux change and induced EMF
- Units for mutual inductance and induced EMF
- Role of magnetic core material in transformers
- Application in power transmission and distribution
Slide 30
Faraday’s Law Of Induction - Summary
- Overview of Faraday’s Law of Induction
- Induced EMF due to changing magnetic flux
- Lenz’s Law and the direction of induced EMF
- Self-inductance and mutual inductance
- Practical applications and significance in technology and industry
