Measurement and Instrumentation In AC circuits, the connection of measuring instruments cause loading effect errors which may effect only the magnitude of the quantity being measured. both of above. only phase of the quantity being measured. magnitude, phase and waveform of the quantity being measured. only the magnitude of the quantity being measured. both of above. only phase of the quantity being measured. magnitude, phase and waveform of the quantity being measured. 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 4% 5% 3% 6% 4% 5% 3% 6% 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
Measurement and Instrumentation What is the approximate input impedance of a CRO? 10 MΩ 0 100 MΩ 1 MΩ 10 MΩ 0 100 MΩ 1 MΩ ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In measurement system, the function of the signal manipulating elements is to to perform non liner operation like clipping filtering, chopping and clamping. change the quantity under measurement to an analogues signal. to perform linear operation like addition and multiplication. change the magnitude of the input signal while retaining its identity. to perform non liner operation like clipping filtering, chopping and clamping. change the quantity under measurement to an analogues signal. to perform linear operation like addition and multiplication. change the magnitude of the input signal while retaining its identity. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In DC potentiometer measurments, a second reading is often taken after reversing the polarities of the DC supply and the unknown voltage and the average of the two reading is taken. This is with a view of eliminate the effects of Stray magnetic fields. Ripples of the DC supply. Stray thermal emfs. Errorneous standardisation. Stray magnetic fields. Ripples of the DC supply. Stray thermal emfs. Errorneous standardisation. ANSWER DOWNLOAD EXAMIANS APP
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