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 false and R is ture. Both A and R are true and R is correct explanation of A. A is ture and R is false. Both A and R are true and R is not correct explanation of A. A is false and R is ture. Both A and R are true and R is correct explanation of A. A is ture and R is false. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which devices used to measure the temperature of an object ? Poteintiometer Galvanometer Odometer Thermometers Poteintiometer Galvanometer Odometer Thermometers ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation When a capacitor was connected to the terminal of ohmmeter, the pointer indicated a low resistance initially and then slowly came to infinity position. This shows that capacitor is Short-circuited All right None of these Faulty Short-circuited All right None of these Faulty ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Piezoelectronic accelerometer Has a low natural frequency. Should be used for high frequencies above 100 Hz. Should be used for low frequency. Should use a monitoring source at low input impedance. Has a low natural frequency. Should be used for high frequencies above 100 Hz. Should be used for low frequency. Should use a monitoring source at low input impedance. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving coil ammeter has a uniform scale with 50 division and gives a full scale reading 10 A. The instrument can read up to (1/5)th of a scale division with a fair degree of certainty. What is the resolution of the instrument in mA? 25 mA. 50 mA. 80 mA. 40 mA. 25 mA. 50 mA. 80 mA. 40 mA. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For measurement of inductance having high value, we should use Maxwell's bridge Maxwell wein bridge Any of the listed here Hay's bridge Maxwell's bridge Maxwell wein bridge Any of the listed here Hay's bridge ANSWER DOWNLOAD EXAMIANS APP