Measurement and Instrumentation ______ instruments are most sensitive. Dynamometer Hot wire Moving iron Permanent magnet moving coil Dynamometer Hot wire Moving iron Permanent magnet moving coil ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The full-scale deflection current of an ammeter is 1 mA and its internal resistance is 100°hm. This is to have full deflection when 100V is measured. What is the value of series resistor to be used? 100 ohms 99.99 K ohms 99.99 ohms 100 K ohms 100 ohms 99.99 K ohms 99.99 ohms 100 K ohms 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 ±5) A (400 ± 3) A (400 ± 1) A (400 ± 2.24) A (400 ±5) A (400 ± 3) A (400 ± 1) A (400 ± 2.24) A ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following statement are correct in case of power factor meter? Both B and C. It consist of two coils mounted at right angles to each other. The restoring torque is provided by a controlling torque. The deflection is proportional to phase angle between field coil and crossed coil. Both B and C. It consist of two coils mounted at right angles to each other. The restoring torque is provided by a controlling torque. The deflection is proportional to phase angle between field coil and crossed coil. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation On a simple ohmmeter, the 0 Ω mark is _______ of the scale. In the middle None of the listed here Far right Far left In the middle None of the listed here Far right Far left ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A null type instrument as compared to a deflected type instrument has All of these a lower sensitivity. a higher accuracy. a faster response. All of these a lower sensitivity. a higher accuracy. a faster response. ANSWER DOWNLOAD EXAMIANS APP
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