Measurement and Instrumentation To measure high frequency currents, we mostly use ______ ammeter. Dynamometer Moving iron Thermocouple Hot wire Dynamometer Moving iron Thermocouple Hot wire ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In measurement system, the function of the signal manipulating elements is to change the quantity under measurement to an analogues signal. change the magnitude of the input signal while retaining its identity. to perform non liner operation like clipping filtering, chopping and clamping. to perform linear operation like addition and multiplication. change the quantity under measurement to an analogues signal. change the magnitude of the input signal while retaining its identity. to perform non liner operation like clipping filtering, chopping and clamping. to perform linear operation like addition and multiplication. 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. If this meter is to have full deflection at 5A, what is the value of the shunt resistance to be used? 1/49.99 ohms 1 Ohm 2 Ohms 49.99 Ohms 1/49.99 ohms 1 Ohm 2 Ohms 49.99 Ohms 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 6% 5% 4% 3% 6% 5% 4% 3% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To measure 5 volts, if one selects a 0-100 volt range voltmeter which is accurate with in ± 1%, then the error in this measurement may be up to ± 20% ± 2.5% ± 7.5 % ± 1.5% ± 20% ± 2.5% ± 7.5 % ± 1.5% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A multirange instrument has Multirange meters inside the measurement system Variable turns of coil Multicoil arrangement Multiple shunt or series resistance inside the meter Multirange meters inside the measurement system Variable turns of coil Multicoil arrangement Multiple shunt or series resistance inside the meter ANSWER DOWNLOAD EXAMIANS APP
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