Measurement and Instrumentation In the bridge given in the figure, the reading of the high impedance voltmeter is - 3.33 V. 4.20 V. Zero. 6.66 V. - 3.33 V. 4.20 V. Zero. 6.66 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving iron ammeter produces a full scale torque of 240 μNm with a deflection of 120° at a current of 10 A. The rate of change of self induction (μH/radian) of the instrument at full scale is 2.0 μH/radian. 4.8 μH/radian. 12.0 μH/radian. 114.6 μH/radian. 2.0 μH/radian. 4.8 μH/radian. 12.0 μH/radian. 114.6 μH/radian. 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? 99.99 ohms 100 ohms 100 K ohms 99.99 K ohms 99.99 ohms 100 ohms 100 K ohms 99.99 K ohms ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following is a vector quantity? Magnetic field intensity. Relative permeability. Flux density. Magnetic potential. Magnetic field intensity. Relative permeability. Flux density. Magnetic potential. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In which of the transformer is the secondary nearly short circuited under normal operating condition? Power transformer. PT. Distribution transformer. CT. Power transformer. PT. Distribution transformer. CT. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The dynamometer principle can be used for ammeter, voltmeter and wattmeter. ammeter only. voltmeter only. wattmeter only. ammeter, voltmeter and wattmeter. ammeter only. voltmeter only. wattmeter only. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS