Measurement and Instrumentation Which of the following meter is most suitable for measuring radio frequency currents? Thermocouple meter. VTVM. Moving - iron meter. Moving - coil meter. Thermocouple meter. VTVM. Moving - iron meter. Moving - coil meter. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An induction meter can handle current upto 100 A 60 A 30 A 10 A 100 A 60 A 30 A 10 A ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The resistance of a circuit is measured from the relation R= P/I2, where P is the power fed into the circuit and I is the current flowing through it. If the limiting errors in the measurement of power and current are respectively ± 1.0% and ± 1.0%, then what will be the limiting error in measurement of resistance ? ± 1.5% ± 3.0% ±0.5% ±3.5% ± 1.5% ± 3.0% ±0.5% ±3.5% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Induction wattmeter can measure None of the listed here Dc power only Both AC and DC Ac power only None of the listed here Dc power only Both AC and DC Ac power only ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation It is found that 10A current passes through a resistor of 10°hms. The resistor has 5% tolerance . The error in measurement of current can be as high as 5%. What is max error in measurement of power, calculated from measured value of I and the nominal value of resistor? 50W 100W 150W 200W 50W 100W 150W 200W ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The maximum percentage error in the sum of two voltage measurements when V1 = 100V ± 1% and V2 = 80V ± 5% is ± 4% ± 6% ± 2.8% ± 3% ± 4% ± 6% ± 2.8% ± 3% ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS