Educational trainer

PM-ENTERPRISE

For measurement of small quantities of electrical charge reflecting mirror type mode. The
moving coil is suspended y a phosphor bronze strip, which carries an optically true
concave mirror. The coil can be raised or lowered or set to zero by an adjusting knurled
knob at the top a knob at the back is provided for clamping and releasing the coil. A link
high resistance is provided to make the galvanometer periodic, if desired, leveling screws

For measurement of small quantities of electrical charge reflecting mirror type mode. The
moving coil is suspended y a phosphor bronze strip, which carries an optically true
concave mirror. The coil can be raised or lowered or set to zero by an adjusting knurled

knob at the top a knob at the back is provided for clamping and releasing the coil. A link
high resistance is provided to make the galvanometer periodic, if desired, leveling screws
are provided for balancing the coil.
Res. of coil Period Sensitivity
a) 100 Ohms 10-12 Sec. 180mm
b) 500 Ohms 10-12 sec. 400mm

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