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 deflection is proportional to phase angle between field coil and crossed coil. The restoring torque is provided by a controlling torque. Both B and C. It consist of two coils mounted at right angles to each other. The deflection is proportional to phase angle between field coil and crossed coil. The restoring torque is provided by a controlling torque. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which one of the following meters has maximum loading effect on the circuit under measurement ? 1000 Ω/volt 1 MΩ/volt 10 MΩ/volt 100 Ω/volt 1000 Ω/volt 1 MΩ/volt 10 MΩ/volt 100 Ω/volt ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Relative permittivity can be measured by _______ bridge Desautys. Hays. Schering. Wheatstones. Desautys. Hays. Schering. Wheatstones. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Magnetic deflection is inversely proportional to Voltage. (Voltage)1.5. (Voltage)-0.5. (Voltage)2. Voltage. (Voltage)1.5. (Voltage)-0.5. (Voltage)2. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The three resistors R1, R2 and R3 have the following ratings: R1 = 25Ω ± 4%, R2 = 65 Ω ± 4%; R3 =45 Ω ± 4%. If the resistance are connected in series, then limiting error produced in equivalent resistance is 1% 4% 3% 2% 1% 4% 3% 2% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In AC circuits, the connection of measuring instruments cause loading effect errors which may effect only the magnitude of the quantity being measured. only phase of the quantity being measured. magnitude, phase and waveform of the quantity being measured. both of above. only the magnitude of the quantity being measured. only phase of the quantity being measured. magnitude, phase and waveform of the quantity being measured. both of above. ANSWER DOWNLOAD EXAMIANS APP
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