Measurement and Instrumentation When testing a coil having a resistance of 10 ohms, resonance occurred when the oscillator frequency was 10 MHz and rotating capacitor was set at 500/2π pF. The effective value of the Q of the coil is 31.4. 25.4. 54.2. 20. 31.4. 25.4. 54.2. 20. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Two voltmeters have the same range 0-400V. The internal impedance are 30,000 Ohms and 20,000 Ohms. If they are connected in series and 600V be applied across them, the readings are 360V and 240V 400V and 200V 300V each One of the meters out of the range and other 100V 360V and 240V 400V and 200V 300V each One of the meters out of the range and other 100V 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? 40 mA. 80 mA. 50 mA. 25 mA. 40 mA. 80 mA. 50 mA. 25 mA. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Magnetic deflection is inversely proportional to Voltage. (Voltage)-0.5. (Voltage)1.5. (Voltage)2. Voltage. (Voltage)-0.5. (Voltage)1.5. (Voltage)2. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation PMMC Instrument can be used for AC work only DC work only None of the listed here Both AC and DC AC work only DC work only None of the listed here Both AC and DC ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A potentiometer may be used for Measurrment of resistance Measurement of current Calibration of ammeter All of the listed here Measurrment of resistance Measurement of current Calibration of ammeter All of the listed here ANSWER DOWNLOAD EXAMIANS APP
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