SPOT REFLECTING GALVANOMETER ( CAT NO. 882 )
Highly sensitive instrument to be used as a null detector in Wheatstone bridge and potentiometer experiments
A sensitive moving coil system is suspended in a uniform field of a permanent magnet. zero adjustment knob is provided to set spot of light. time period app. 1.8 second working on 220 v ac .
This is available in two different coil resistance.
- 100 ohms
- 500 ohms
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