Measurement and Instrumentation Assertion (A): A hot wire ammeter has a cramped scale. Reason (R): The heat is proportional to square of current. A is ture and R is false. Both A and R are true and R is correct explanation of A. Both A and R are true and R is not 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 correct explanation of A. Both A and R are true and R is not correct explanation of A. A is false and R is ture. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The full-scale deflection current of an ammeter is 1 mA and its internal resistance is 100°hm. This is to have full deflection when 100V is measured. What is the value of series resistor to be used? 100 ohms 99.99 K ohms 99.99 ohms 100 K ohms 100 ohms 99.99 K ohms 99.99 ohms 100 K ohms ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the quantity consists of unit as newton-second? Acceleration velocity Speed Impulse Acceleration velocity Speed Impulse ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation How many fundamental units are there ? 8 7 6 4 8 7 6 4 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 2 µNm. 1 µNm. 100 µNm. 200 µNm. 2 µNm. 1 µNm. 100 µNm. 200 µNm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The disc of an instrument using eddy current damping should be of None of the listed here Conducting and non magnetic material Non conducting and magnetic material Conducting and magnetic material None of the listed here Conducting and non magnetic material Non conducting and magnetic material Conducting and magnetic material ANSWER DOWNLOAD EXAMIANS APP
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