Measurement and Instrumentation The problem of Electrostatic coupling in a transformer is acute at Power frequencies High frequencies High load on the transformer Low frequencies Power frequencies High frequencies High load on the transformer Low frequencies ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The inductance of a certain moving iron ammeter is expressed as L = 2+5θ-θ2 µH. The control spring torque is 2 × 10-6 Nm/radian. Find the deflection in radians for a current of 2A. 1 2 5 4 1 2 5 4 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A dynamometer wattmeter can be used for DC only AC only Both DC and AC Any of the listed here DC only AC only Both DC and AC Any of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The main advantage of Anderson bridge over Maxwell bridge is that reduction of the cost. attaining balance condition is easier. balance equation independent of frequency. measures high Q inductors. reduction of the cost. attaining balance condition is easier. balance equation independent of frequency. measures high Q inductors. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Induction wattmeter can measure Dc power only Ac power only Both AC and DC None of the listed here Dc power only Ac power only Both AC and DC None of the listed here 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 ? ± 1.5% ± 1% ± 2.5% ±3.5% ± 1.5% ± 1% ± 2.5% ±3.5% ANSWER DOWNLOAD EXAMIANS APP
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