Measurement and Instrumentation A permanent magnet moving coil ammeter is connected in 50 Hz a. c. Circuit in which 5A current is flowing. The meter will read 5 A 2.5 A None of the listed here 0 A 5 A 2.5 A None of the listed here 0 A ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Swamping resistance is used to compensate error due to temperature true variations. both A and B. error due to strong magnetic field. none of these. error due to temperature true variations. both A and B. error due to strong magnetic field. none of these. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A Lissajous pattern on an oscilloscope has 5 horinzontal tangencies and 2 vertical tangencies. The frequency of horizontal input is 100 Hz. The frequency of the vertical will be 250 Hz. 625 Hz. 500 Hz. 400 Hz. 250 Hz. 625 Hz. 500 Hz. 400 Hz. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A 0 - 100 V voltmeter has a guaranteed accuracy of 2 % of full scale reading. The voltage measured by the voltmeter is 75 V. The limiting error is in percentage 2 %. 2.66 %. 3.33 %. 1 %. 2 %. 2.66 %. 3.33 %. 1 %. 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 Faulty None of these All right Short-circuited Faulty None of these All right ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Consider the following statement - 1. The compensating coil of a low power factor wattmeter compensates the effect of the impedance of the current coil. 2. The compensating coil of a low power factor wattmeter compensates the effect of the impedance of the voltage coil circuit. Both 1 and 2 are false. Both 1 and 2 are true. 1 is false but 2 is true. 1 is true but 2 is false. Both 1 and 2 are false. Both 1 and 2 are true. 1 is false but 2 is true. 1 is true but 2 is false. ANSWER DOWNLOAD EXAMIANS APP