Measurement and Instrumentation The chemical effect of current is used in C. energy meter None of these C. ammeter C. ammeter hour meter C. energy meter None of these C. ammeter C. ammeter hour meter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A wheatstone bridge cannot be used for precision measurements because errors are introduced into on account of Contact resistance. All of above. Resistance of connecting leads. Thermoelectric emfs. Contact resistance. All of above. Resistance of connecting leads. Thermoelectric emfs. 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 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. 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. 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. 4.38 V. 5 V. 3.53 V. 4.54 V. 4.38 V. 5 V. 3.53 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An oscilloscope indicates DC value of voltage Peak to peak value of voltage Average value RMS value DC value of voltage Peak to peak value of voltage Average value RMS value ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The dynamometer principle can be used for voltmeter only. ammeter, voltmeter and wattmeter. ammeter only. wattmeter only. voltmeter only. ammeter, voltmeter and wattmeter. ammeter only. wattmeter only. ANSWER DOWNLOAD EXAMIANS APP
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