Measurement and Instrumentation A PMMC voltmeter is connected across a series combination of a DC voltage source V1 = 2 V and an AC voltage source V2 = 3sin4t, the voltmeters reads 2 V. 5 V. (2 + √3/2)V. 0 V. 2 V. 5 V. (2 + √3/2)V. 0 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a dynamometer wattmeter, the moving coil is the Current coil and potential coil Current coil None of the listed here Potential coil Current coil and potential coil Current coil None of the listed here Potential coil ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Deflection method direct measurements are most widely used as these are least time consuming. most simple. most simple and least time consuming. most accurate. least time consuming. most simple. most simple and least time consuming. most accurate. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To the y input of a CRO a signal defined by 10sin100t is applied. To the x input the signal 10cos100t is fed. The gain for both x-channel and y-channel is the same. The screen shows an ellipse. a straight line. sinisoidal. a circle. an ellipse. a straight line. sinisoidal. a circle. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Commonly used standard capacitor is Multiplate parallel plate type Concentric cylindrical type Spherical type Electrostatic type Multiplate parallel plate type Concentric cylindrical type Spherical type Electrostatic type 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 K ohms 100 K ohms 99.99 ohms 100 ohms 99.99 K ohms 100 K ohms 99.99 ohms 100 ohms ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS