Lecture Demonstrations Laboratory

The Demonstrations Manual

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Electrostatics
Electric Fields And Potential
Capacitance
Current and Resistance
Electromotive Force And Current
DC Circuits
Magnetic Materials
Magnetism: Magnet collection; Magnetic Fields 1; Magnetic Fields 2; Magnetic Fields Associated with Current Carrying Wires 1; Magnetic Fields Associated with Current Carrying Wires 2; Solenoid with a Iron core; Magnetic Deflection of an Electron Beam; Magnetohydrodynamic Motor; Forces Between Current Carrying Wires; Vibrating Lamp Filament (Lorenz Force Demonstrator); Force on a Current Carrying Wire in a Magnetic Field; Hall Effect; Galvanometer Movement
Inductance
Induction
Complex Circuits
Semiconductors And Tubes
Transmission Lines and Antennas

Galvanometer Movement

Purpose:

To show the principle of the moving coil galvanometer.

Procedure:

Connect the battery to the galvanometer and the coil will rotate one way. By switching the direction of the wires and reversing the current direction, the coil will rotate the other way.

Comments:

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Equipment:

Connecting Wires
D battery
Galvanometer apparatus