Measurement and Instrumentation Which of the following instruments can be used to measure AC current only? Permanent Magnet Type ammeter Induction type ammeter Moving iron ammeter Moving iron voltmeter Permanent Magnet Type ammeter Induction type ammeter Moving iron ammeter Moving iron voltmeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An ammeter of range 0-25 A has a guaranteed accuracy of 1% of full-scale reading. The current measured by the ammeter is 5 A. The limiting error in the reading is 5% 6% 3% 4% 5% 6% 3% 4% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation If two 300V full scale voltmeters V1 and V2 having sensitivities of 100 kOhm/V and 150 kOhm/V are connected in series to measure 500V then V1 = 0V and V2 = 0V. V1 = 250V and V2 = 250V. V1 = 300V and V2 = 200V. V1 = 200V and V2 = 300V. V1 = 0V and V2 = 0V. V1 = 250V and V2 = 250V. V1 = 300V and V2 = 200V. V1 = 200V and V2 = 300V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A megger is usually Hot-wire type instrument Electro-static type instrument Moving coil type instrument Moving iron type instrument Hot-wire type instrument Electro-static type instrument Moving coil type instrument Moving iron type instrument ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The full-scale deflection current of an ammeter is 1 mA and its internal resistance is 100°hm. This is to have full deflection when 100V is measured. What is the value of series resistor to be used? 100 K ohms 100 ohms 99.99 K ohms 99.99 ohms 100 K ohms 100 ohms 99.99 K ohms 99.99 ohms ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A potentiometer may be used for Measurement of current Calibration of ammeter Measurrment of resistance All of the listed here Measurement of current Calibration of ammeter Measurrment of resistance All of the listed here ANSWER DOWNLOAD EXAMIANS APP
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