Measurement and Instrumentation On a simple ohmmeter, the 0 Ω mark is _______ of the scale. In the middle Far left Far right None of the listed here In the middle Far left Far right None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Resistances can be measured with the help of Ohmmeters and resistance bridges Wattmeters Voltmeters Ammeters Ohmmeters and resistance bridges Wattmeters Voltmeters Ammeters ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A wheatstone bridge cannot be used for precision measurements because errors are introduced into on account of Contact resistance. All of above. Resistance of connecting leads. Thermoelectric emfs. Contact resistance. All of above. Resistance of connecting leads. Thermoelectric emfs. ANSWER DOWNLOAD EXAMIANS APP
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 25.4. 31.4. 20. 54.2. 25.4. 31.4. 20. 54.2. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation What is the expression for acceleration? Force x displacement Change in velocity / time Mass x acceleration Mass x velocity Force x displacement Change in velocity / time Mass x acceleration Mass x velocity ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The coil of a moving coil meter has 100 turns, is 40 mm long and 30 mm wide. The control torque is 240×10-6 N-m on full scale. If magnetic flux density is 1Wb/m2 range of meter is 4 mA. 1 mA. 3 mA. 2 mA. 4 mA. 1 mA. 3 mA. 2 mA. ANSWER DOWNLOAD EXAMIANS APP