Measurement and Instrumentation In a moving coil instrument, the deflecting torque is proportional to Sine of the measurand Squareroot of the current Current Square of the current Sine of the measurand Squareroot of the current Current Square of the current ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In AC circuits, the connection of measuring instruments cause loading effect errors which may effect magnitude, phase and waveform of the quantity being measured. only the magnitude of the quantity being measured. only phase of the quantity being measured. both of above. magnitude, phase and waveform of the quantity being measured. only the magnitude of the quantity being measured. only phase of the quantity being measured. both of above. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the quantity consists of unit as kg m/sec ? Impulse Momentum Speed Acceleration Impulse Momentum Speed Acceleration ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A resistance is measured by the voltmeter-ammeter method employing dc excitation and a voltmeter of very high resistance connected directly across the unknown resistance. If the voltmeter and ammeter reading are subject to maximum possible errors of ± 2.4 % and ± 1.0 % respectively, then the magnitude of the maximum possible percentage error in the value of resistance deduced from the measurement is nearly ± 1% ± 3.4% ± 2.4% ± 1.4% ± 1% ± 3.4% ± 2.4% ± 1.4% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A Manganin swap resistance is connected in series with a moving coil ammeter consisting of a milli ammeter and a suitable shunt in order to Obtaine large deflecting torque. Reduce the size of the meter. Minimize the effect of stray magnetic fields. Minimize the effect of temperature variation. Obtaine large deflecting torque. Reduce the size of the meter. Minimize the effect of stray magnetic fields. Minimize the effect of temperature variation. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A 150 V moving iron voltmeter of accuracy class 1-0 reads 75 V when used in a circuit under standard condition. The maximum possible percentage error in the reading is 2.5% 1% 1.5% 2% 2.5% 1% 1.5% 2% ANSWER DOWNLOAD EXAMIANS APP