IB Physics Help Video Podcast
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Eddy Current Brake
ibphysicshelp
364 views
A spinning copper disc is slowed down when a magnet is brought near it. Note that copper is not a magnetic material.
Eddy currents are induced in the disc due to the relat...
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IBPH Ep. 9 Electromagnetic Induction
ibphysicshelp
4,728 views
This episode is an introduction to electromagnetic induction. The presentation is supported by many experimental demonstrations.
The video covers the following topics: 1...
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Variation of the electric current in a DC motor
ibphysicshelp
1,268 views
The current drawn by a simple motor may vary in time depending on what the motor does at any given instant.
1. When a motor is connected to a battery, the current in the...
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IBPH Ep. 8 Simple Harmonic Motion (Part 2)
ibphysicshelp
887 views
Simple Harmonic Motion (SHM) - Part II
Topics covered: (a) The period of a gravitational pendulum is independent of mass, (b) Determining g (acceleration due to gravity) b...
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IBPH Ep. 7 Simple Harmonic Motion (Part 1) - Part 2 of 2
ibphysicshelp
1,591 views
(Ep7 continued)
This video is an introduction to simple harmonic motion (SHM). SHM is a type of periodic motion for which the force that drives it is proportional to the d...
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IBPH Ep. 7 Simple Harmonic Motion (Part 1) - Part 1 of 2
ibphysicshelp
2,932 views
This video is an introduction to simple harmonic motion (SHM). SHM is a type of periodic motion for which the force that drives it is proportional to the displacement from ...
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IBPH Ep. 6 Graphs of Motion - Part 2 of 2
ibphysicshelp
432 views
What is the purpose of plotting various graphs for moving bodies? How are quantities like displacement, velocity and acceleration calculated from graphs of motion? This pod...
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IBPH Ep. 6 Graphs of Motion - Part 1 of 2
ibphysicshelp
945 views
What is the purpose of plotting various graphs for moving bodies? How are quantities like displacement, velocity and acceleration calculated from graphs of motion? This pod...
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Electromagnetic induction
ibphysicshelp
74,493 views
Electromagnetic induction. A changing magnetic flux induces a current into a coil.
UPDATE (14/05/2011): An extended, 15-minute video on the topic is now available at htt...
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Voltage across the terminals of a battery
ibphysicshelp
755 views
The voltage across the terminals of a battery drops as soon as the battery is connected in a circuit. If the total resistance of the circuit is increased (using a variable ...
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