Measurement and Instrumentation No eddy current and hysteresis losses occur in Moving iron instruments PMMC instruments Electrostatic instruments Electrodynamo meter instruments Moving iron instruments PMMC instruments Electrostatic instruments Electrodynamo meter instruments ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The absolute measurement of resistance is done by Ohm’s law method Lorenz method Bridge Method Rayleigh method Ohm’s law method Lorenz method Bridge Method Rayleigh method ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The core flux in the CT of above question no.6, under the given operating conditions is 450 mWb. 225 mWb. 0. 1000 mWb. 450 mWb. 225 mWb. 0. 1000 mWb. 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 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. The bridge is balanced for some specified value of frequency. The bridge can be balanced. The bridge can not be balanced. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving coil permanent magnet instrument can be used as ______ by using a low resistance shunt. Voltmeter Ammeter Flux meter Ballastic galvanometer Voltmeter Ammeter Flux meter Ballastic galvanometer 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% 1.2% 1.5% 0.5% 1% 1.2% 1.5% ANSWER DOWNLOAD EXAMIANS APP