Measurement and Instrumentation Unit of deflection sensitivity of a CRO is meter / volt. V / mm. mm per mV. mm / V. meter / volt. V / mm. mm per mV. mm / V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The three resistors R1, R2 and R3 have the following ratings: R1 = 25Ω ± 4%, R2 = 65 Ω ± 4%; R3 =45 Ω ± 4%. If the resistance are connected in series, then limiting error produced in equivalent resistance is 3% 4% 2% 1% 3% 4% 2% 1% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A galvanometer has Spring coil damping Air friction damping Fluid friction damping Eddy current damping Spring coil damping Air friction damping Fluid friction damping Eddy current damping ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving coil of a meter has 100 turns, and a length and depth of 10 mm and 20 mm respectively. It is positioned in a uniform radial flux density of 200 mT. The coil carries a current of 50 mA. The torque on the coil is 1 µNm. 100 µNm. 200 µNm. 2 µNm. 1 µNm. 100 µNm. 200 µNm. 2 µNm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The moving coil-meters, damping is provided by eddy current disk. damping vane in the airtight chamber. the coil spring attached to the moving. the aluminium frame of the coil. eddy current disk. damping vane in the airtight chamber. the coil spring attached to the moving. the aluminium frame of the coil. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A spring-controlled moving iron voltmeter draws a current of 1 mA for full scale value of 100V. If it draws a current of 0.5 mA, the meter reading is 100 V. 50 V. 25 V. 200 V. 100 V. 50 V. 25 V. 200 V. ANSWER DOWNLOAD EXAMIANS APP