Measurement and Instrumentation When using ohmmeter, applied voltage is to be disconnected from the circuit because Current will decrease resistance The ohmmeter has its own internal battery None of these Voltage source will increase resistance Current will decrease resistance The ohmmeter has its own internal battery None of these Voltage source will increase resistance ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An instrument to be used for measurement and control should preferably have Non-linear output Dead zone and dead time A highly damped response Linear output and fast response Non-linear output Dead zone and dead time A highly damped response Linear output and fast response ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving iron ammeter may be compensated for frequency errors by Shunt capacitance Series resistance A shunt resistance A series inductance Shunt capacitance Series resistance A shunt resistance A series inductance ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The dynamometer principle can be used for wattmeter only. ammeter, voltmeter and wattmeter. voltmeter only. ammeter only. wattmeter only. ammeter, voltmeter and wattmeter. voltmeter only. ammeter only. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A CRO probe has an impedance of 500 kΩ in parallel with a capacitance of 10 pF. The probe is used to measure the voltage between P and Q as shown in figure. The measured voltage will be 4.54 V. 3.53 V. 4.38 V. 5 V. 4.54 V. 3.53 V. 4.38 V. 5 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Assertion(A): A low power factor wattmeter has special constructional features to ensure accurate measurment. Reason(R): Extension of wattmeter range in DC circuit can be easily done by using current and potential transformer Both A and R is true and R is correct explanation of A C. A is true R is false. Both A and R is true and R is not correct explanation of A. A is false R is true. Both A and R is true and R is correct explanation of A C. A is true R is false. Both A and R is true and R is not correct explanation of A. A is false R is true. ANSWER DOWNLOAD EXAMIANS APP