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DC Ammeter

DC Ammeter: DC Ammeter - The PMMC galvanometer constitutes the basic movement of a dc ammeter. Since the coil winding of a basic movement is small and light, it can…

Ammeters Articles

Ammeters Articles: DC Ammeter: The PMMC galvanometer constitutes the basic movement of a dc ammeter. Since the coil winding of a basic movement is small and light, it can carry…

Series Resistance Microammeter

Series Resistance Microammeter: High d.c. voltages are usually measured by connecting a very high resistance (few hundreds of megaohms) in Series Resistance Microammeter as shown in Fig. 7.1. Only the…

DC Meter

DC Meter: The most commonly used dc meter is based on the fundamental principle of the motor. The motor action is produced by the flow of a small amount of…

Different Types of Ammeters and Voltmeters

Different Types of Ammeters and Voltmeters: The following are the different types of ammeters and voltmeters in measuring instruments are PMMC Moving Iron Electrodynamometer Hot wire Thermocouple Induction type Electrostatic…

Measure of Capacitance and Inductance in Oscilloscope

Measure of Capacitance and Inductance in Oscilloscope: Measure of Capacitance and Inductance in Oscilloscope - Capacitance may be measured from a capacitor discharge curve. This requires a dc oscilloscope with…

Working Principle of Multimeter

Working Principle of Multimeter: A multimeter is basically a PMMC meter. To measure dc current the meter acts as an ammeter with a low series resistance. Range changing is accomplished…

Electronic Instrumentation Articles

Electronic Instrumentation Articles: This Electronic Instrumentation Articles which includes the following topics: Introduction to Electronics Instrumentation Static Characteristics of Measuring Instruments Errors in Measurement Types of Static Error and Sources…