Measurement and Instrumentation The full-scale deflection current of an ammeter is 1 mA and its internal resistance is 100°hm. If this meter is to have full deflection at 5A, what is the value of the shunt resistance to be used? 1 Ohm 49.99 Ohms 1/49.99 ohms 2 Ohms 1 Ohm 49.99 Ohms 1/49.99 ohms 2 Ohms ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A set of independent current measurements taken by four observers was recorded as : 117.02 mA, 117.11 mA, 117.08 mA and 117.03 mA. What is the range of error ? ± 0.045 ± 0.056 ± 0.054 ± 0.065 ± 0.045 ± 0.056 ± 0.054 ± 0.065 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The two pressure coils of a single phase power factor meter have The same number of turns but different dimensions None of these The same dimensions and the same number of turns The same dimension but different number of turns The same number of turns but different dimensions None of these The same dimensions and the same number of turns The same dimension but different number of turns ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The total current I = I1 + I2 in a circuit is measured I1 = 150 ± 3A , I2 = 250 ± 4 A, where the limits of error are given as standard deviations. I is measured as (400 ± 2.24) A (400 ± 1) A (400 ±5) A (400 ± 3) A (400 ± 2.24) A (400 ± 1) A (400 ±5) A (400 ± 3) A ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Schering bridge is used to measure which of the following? Resistance. Inductance. Capacitance. Frequency. Resistance. Inductance. Capacitance. Frequency. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The material of the shunt should have _______ temperature co-efficient of resistance. None of the listed here Negligible Positive Negative None of the listed here Negligible Positive Negative ANSWER DOWNLOAD EXAMIANS APP
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