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 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. Both A and R are true and R is not correct explanation of A. A is ture and R is false. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a ballistic galvanometer, the deflecting torque is proportional to Sine of measured Square of current through coil The current through coil Square-root of current through coil Sine of measured Square of current through coil The current through coil Square-root of current through coil ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation ______ movement is most expensive. Moving iron D'Arsonval movement Dynamometer None of the listed here Moving iron D'Arsonval movement Dynamometer None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which one of the following meters has maximum loading effect on the circuit under measurement ? 1000 Ω/volt 100 Ω/volt 1 MΩ/volt 10 MΩ/volt 1000 Ω/volt 100 Ω/volt 1 MΩ/volt 10 MΩ/volt ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving coil of a meter has 100 turns, and a length and depth of 10 mm and 20 mm respectively. It is postioned in a uniform radial flux density of 200 mT. The coil carries a current of 50 mA. The torque on the coil is 1 Nm. 100 Nm. 200 Nm. 2 Nm. 1 Nm. 100 Nm. 200 Nm. 2 Nm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A power factor meter has One current circuit and two pressure circuits One current circuit and one pressure circuit Two current circuit and one pressure circuit None of the listed here One current circuit and two pressure circuits One current circuit and one pressure circuit Two current circuit and one pressure circuit None of the listed here ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS