Measurement and Instrumentation A dynamometer wattmeter can be used for DC only Any of the listed here Both DC and AC AC only DC only Any of the listed here Both DC and AC AC only ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following instruments can be used to measure AC current only? Permanent Magnet Type ammeter Moving iron voltmeter Induction type ammeter Moving iron ammeter Permanent Magnet Type ammeter Moving iron voltmeter Induction type ammeter Moving iron ammeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Assertion (A): A hot wire ammeter has a cramped scale. Reason (R): The heat is proportional to square of current. Both A and R are true and R is not correct explanation of A. A is ture and R is false. Both A and R are true and R is correct explanation of A. A is false and R is ture. Both A and R are true and R is not correct explanation of A. A is ture and R is false. Both A and R are true and R is correct explanation of A. A is false and R is ture. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation It is found that 10A current passes through a resistor of 10°hms. The resistor has 5% tolerance . The error in measurement of current can be as high as 5%. What is max error in measurement of power, calculated from measured value of I and the nominal value of resistor? 200W 100W 150W 50W 200W 100W 150W 50W ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The main advantage of Anderson bridge over Maxwell bridge is that balance equation independent of frequency. measures high Q inductors. attaining balance condition is easier. reduction of the cost. balance equation independent of frequency. measures high Q inductors. attaining balance condition is easier. reduction of the cost. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To increase Q factor of a coil, the wire should be long and thin. long. thick. thin. long and thin. long. thick. thin. ANSWER DOWNLOAD EXAMIANS APP
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