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3rd Semester
EX-303
Unit 3 Notes

EX-303 Electrical Measurements and Instruments Unit 3 Notes

Notes and important questions for unit 3: Different types of ammeters and voltmeters; digital instruments.

Unit 3 · Short notes Different types of ammeters and voltmeters; digital instruments PMMC, moving iron (MI), electrodynamometer and induction ammeters & voltmeters · Expression for control and deflection torque, advantages, disadvantages and error sources · Extension of range using shunt and multiplier techniques · Digital voltmeter, digital ammeter, multimeter and wattmeter

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