Measurement and Instrumentation For measurement of high direct voltage, one would use _____ voltmeter. Electrostatic Hot wire PMMC Moving iron Electrostatic Hot wire PMMC Moving iron ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following statement are correct in case of power factor meter? Both B and C. The deflection is proportional to phase angle between field coil and crossed coil. The restoring torque is provided by a controlling torque. It consist of two coils mounted at right angles to each other. Both B and C. The deflection is proportional to phase angle between field coil and crossed coil. The restoring torque is provided by a controlling torque. It consist of two coils mounted at right angles to each other. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation What is the name of physical quantities which are independent of each other? Numerical quantity Fundamental quantity Derived quantity None of these Numerical quantity Fundamental quantity Derived quantity None of these ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The measurment of very low and very high frequencies is invariably done using a frequency counter in which one of the following? Frequency and period measurment modes, respectively. Period and frequency measurement modes respectively. Frequency measurment modes only. Period measurment modes only. Frequency and period measurment modes, respectively. Period and frequency measurement modes respectively. Frequency measurment modes only. Period measurment modes only. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation What is the approximate input impedance of a CRO? 100 MΩ 10 MΩ 0 1 MΩ 100 MΩ 10 MΩ 0 1 MΩ ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A resistance of 105 ohms is specified using significant figures as indicated below : 1. 105 ohms 2. 105.0 ohms 3. 0.000105 mega ohms Among these, 2 and 3 represent greater precision than 1. 1, 2 and 3 represent same precision. 2 represents greater precision but 1 and 3 represent same precision. 1 represents greater precision than 2 and 3. 2 and 3 represent greater precision than 1. 1, 2 and 3 represent same precision. 2 represents greater precision but 1 and 3 represent same precision. 1 represents greater precision than 2 and 3. ANSWER DOWNLOAD EXAMIANS APP