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Electrical and electronics measurements miscellaneous

Electrical and Electronics Measurements

  1. A 0-10 mA PMMC ammeter reads 4 mA in a circuit. I ts bottom control spring snaps suddenly. The meter will now read nearly ____________mA
    1. 0
    2. 2
    3. 1
    4. 3
Correct Option: A

The spring gives the controlling torque and is connected in series with the coil. If the spring is snapped, there will be no deflection.



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