ELECTRICITY AND MAGNETISM

A. Properties of Magnets

    1. Natural magnets - S1

    2. Plotting lines of force of magnets - S1

    3. Direction of forces between poles - S1

         a) Hanging bar magnets

         b) Wobbly bar

    4. Magnetic field of earth - compass & dip needle - S1

    5. Magnetization of soft iron and permalloy - S1

    6. Domain Theory

        a) Domain model - S1
        b) Barkhausen effect 7. Curie point pendulum and wheel

B. Electromagnetism

    1. Magnetic field of a current carrying wire - S1

    2. Plotting magnetic lines of force
        a) Current carrying wire - S2
        b) Solenoid - S2
        c) Coil - S2

    3. Force on Current carrying wire in a magnetic field (on Video)

    4. Force between current carrying wires (on Video)

    5. Magnetic force on an electron beam - S6

    6. Interaction of a loop with a magnetic field

    7. Oersted Experiment - S1 8. Roget's Spiral - S1

C. Generators

    1. Lenz's Law - changing magnetic flux thru a coil - S1
        a) Using permanent magnets
        b) Using a current carrying coil

    2. Faraday's disk - S1

    3. Model AC/DC generator/motor - L6

    4. Hand-cranked AC/DC generator - S2

    5. Earth Inductor - L1

D. Motors

    1. Arago's disk - S1

    2. Series/shunt wound DC motor - L4

    3. Hand®cranked AC/DC generator as motor - S2

    4. Current and Voltage of a motor

E. Eddy Current Phenomena

    1. Magnetic Brake - S3

    2. Jumping Ring - L1

F. Self and Mutual Induction

    1. Back EMF in a coil

    2. Induction coil - S4

G. Transformer Effects

    1. Dissectable transformer - L3

    2. Jacob's Ladder - S6

H. AC Circuits

    1. Phase relationship of current and voltage in a capacitive circuit - S2

    2. Phase relationship of current and voltage in an inductive circuit - S2

    3. Induction Motor -

    4. Inductive reactance and RLC resonance - S3

    5. Tesla Coil - L2    

    6. Rectifier and filter circuit - Rm 231

    7. Triode vacuum tube - S2

I. Electromagnetic Waves

    1. Short waves - S2

    2. Microwaves - L7

J. Lecture Aids

    1. Gaussian surfaces

    2. Right hand rule, current, and B field