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. A is ture and R is false. Both A and R are true and R is not correct explanation of A. Both A and R are true and R is correct explanation of A. A is false and R is ture. A is ture and R is false. Both A and R are true and R is not correct explanation of A. 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 positioned in a uniform radial flux density of 200 mT. The coil carries a current of 50 mA. The torque on the coil is 200 µNm. 100 µNm. 2 µNm. 1 µNm. 200 µNm. 100 µNm. 2 µNm. 1 µNm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation One single phase wattmeter operating on 230V and 5A for 5 hours makes 1940 revolutions. Meter constant in revolutions is 400. What is the power factor of the land? 0.73 1 0.65 0.84 0.73 1 0.65 0.84 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For measuring a very high resistance we should use None of the listed here Wheat stone bridge Megger Kelvin's double bridge None of the listed here Wheat stone bridge Megger Kelvin's double bridge ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation On a simple ohmmeter, the 0 Ω mark is _______ of the scale. None of the listed here In the middle Far left Far right None of the listed here In the middle Far left Far right ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The household energymeter is An integrating instrument A recording instrument An indicating instrument None of the listed here An integrating instrument A recording instrument An indicating instrument None of the listed here ANSWER DOWNLOAD EXAMIANS APP