Measurement and Instrumentation Basically potential meter is a device for Measuring a voltage Measuring a current Comparing two voltages Comparing two currents Measuring a voltage Measuring a current Comparing two voltages Comparing two currents ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation When the pointer of an indicating instrument comes to rest in the final deflected position, ______ Only controlling torque acts None of the listed here Both deflecting and controlling torques act Only deflecting torque acts Only controlling torque acts None of the listed here Both deflecting and controlling torques act Only deflecting torque acts ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Why is a MISC meter not recommended for DC measurement? The meter is calibrated for AC and it’s error for DC would be high The error is high due to eddy current effect The meter does not respond to DC signals The error is high due to hysteresis effect The meter is calibrated for AC and it’s error for DC would be high The error is high due to eddy current effect The meter does not respond to DC signals The error is high due to hysteresis effect ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Two capacitance, C1 = 150 ± 2.4µF and C2 = 120 ± 1.5 µF are connected in parallel. What is the limiting error of the resultant capacitance C (in µF) ? 3.9µF 2.4µF 0.9µF 1.5µF 3.9µF 2.4µF 0.9µF 1.5µF ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Unit of deflection sensitivity of a CRO is mm / V. V / mm. meter / volt. mm per mV. mm / V. V / mm. meter / volt. mm per mV. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The current ‘I’ through a resistance R is measures with the following uncertainties I = 4 A ± 0.5%, R = 100Ω±0.2%. If power is computed from these two measured quantities, the uncertainty in the power computed will be 0.5% 1% 1.5% 1.2% 0.5% 1% 1.5% 1.2% ANSWER DOWNLOAD EXAMIANS APP