Moving-Coil Instrument - Maker Factory ELECTRONICS EXPERIMENTS BOX Manual

1.1.13 Moving-coil instrument

A moving-coil instrument is used to indicate the level of direct current by means of the needle deflection.
Fig. 1.46: The component symbol is on the left and for information, the
circuit diagram symbol of the 470-kΩ resistor on the right; the experimental
package contains two of them.
Fig. 1.47: The component symbol is on the left and for information, the
circuit diagram symbol of the 1-MΩ resistor on the right; the experimental
package contains one only.
Fig. 1.48: Colour chart for the coding of the resistors
Fig. 1.49: The component symbol is on the left and for information, the
circuit diagram symbol of the moving-coil instrument included on the
right; the experimental package contains one only.
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