Measurement and Instrumentation The coil of a moving iron instrument has a resistance of 500 ohm and inductance of 1 H. It reads 250 V when a 250 V DC is applied. It series resistance is 2000 ohms its reading when fed by 250 V, 50 Hz AC will be 260 V. 252 V. 248 V. 250 V. 260 V. 252 V. 248 V. 250 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The main advantage of Anderson bridge over Maxwell bridge is that reduction of the cost. attaining balance condition is easier. measures high Q inductors. balance equation independent of frequency. reduction of the cost. attaining balance condition is easier. measures high Q inductors. balance equation independent of frequency. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The thermocouple instruments do not have High sensitivity High degree of measuring accuracy Absence of frequency error Independence of ambient temperature High sensitivity High degree of measuring accuracy Absence of frequency error Independence of ambient temperature 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 a circle. an ellipse. a straight line. sinisoidal. a circle. an ellipse. a straight line. sinisoidal. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The chemical effect of current is used in C. energy meter None of these C. ammeter hour meter C. ammeter C. energy meter None of these C. ammeter hour meter C. ammeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which one of the following meters has maximum loading effect on the circuit under measurement ? 10 MΩ/volt 1000 Ω/volt 100 Ω/volt 1 MΩ/volt 10 MΩ/volt 1000 Ω/volt 100 Ω/volt 1 MΩ/volt ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS