Measurement and Instrumentation Electrostatic instruments are used as Ammeters only Voltmeters only Wattmeter only Both ammeter and voltmeter Ammeters only Voltmeters only Wattmeter only Both ammeter and voltmeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The limiting errors of measurement of power consumed by and the current passing through a resistance are ±1.5% and ±1% respectively. What is the limiting error ( in %) of measurement of resistance ? ± 1% ± 2.5% ± 1.5% ±3.5% ± 1% ± 2.5% ± 1.5% ±3.5% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation What is the approximate input impedance of a CRO? 100 MΩ 10 MΩ 1 MΩ 0 100 MΩ 10 MΩ 1 MΩ 0 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation If an inductance L is connected in one arm of bridge and resistance R1, R2, R3 in other three arms The bridge is balanced for some specified value of frequency. The bridge can be balanced. The bridge can not be balanced. The bridge is balanced for some specified value of R1, R2, R3. The bridge is balanced for some specified value of frequency. The bridge can be balanced. The bridge can not be balanced. The bridge is balanced for some specified value of R1, R2, R3. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a moving coil instrument, the deflecting torque is proportional to Sine of the measurand Square of the current Current Squareroot of the current Sine of the measurand Square of the current Current Squareroot of the current ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For the AC bridge circuit shown in figure at balance the value of Rd will be (Rc/Ra).Rb. (Ra/Rc).Rb. (Rb/Rc).Ra. (Rc/Rb).Ra. (Rc/Ra).Rb. (Ra/Rc).Rb. (Rb/Rc).Ra. (Rc/Rb).Ra. ANSWER DOWNLOAD EXAMIANS APP
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