Measurement and Instrumentation For a circuit given that I = 2 ± 5 % A, R = 100 ± 0.2 % Ω the limiting error in the power dissipation I2 R in the resistor R is 5.2% 1.2% 25.2% 10.2% 5.2% 1.2% 25.2% 10.2% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Systematic errors are environmental errors. All of these observational errors. instrument errors. environmental errors. All of these observational errors. instrument errors. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The main advantage of Anderson bridge over Maxwell bridge is that reduction of the cost. measures high Q inductors. attaining balance condition is easier. balance equation independent of frequency. reduction of the cost. measures high Q inductors. attaining balance condition is easier. balance equation independent of frequency. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The current coil of a wattmeter is connected to the CT of R-phase. The potential coil is connected across Y and B phases. The wattmeter measures Reactive power of R phase Active power of Y phase Power proportional to 3 phase power if the load is balanced Active power in R phase Reactive power of R phase Active power of Y phase Power proportional to 3 phase power if the load is balanced Active power in R phase ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Induction type single phase energy meters measure electric energy in VAR kWh kW Wh VAR kWh kW Wh ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Purely mechanical instrument cannot be used for dynamic measurements because they have higher response time. large time constant. high inertia. All of these higher response time. large time constant. high inertia. All of these ANSWER DOWNLOAD EXAMIANS APP
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