Measurement and Instrumentation To increase Q factor of a coil, the wire should be long. thin. thick. long and thin. long. thin. thick. long and thin. ANSWER DOWNLOAD EXAMIANS APP
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 A potentiometer may be used for Measurrment of resistance Calibration of ammeter All of the listed here Measurement of current Measurrment of resistance Calibration of ammeter All of the listed here Measurement of current ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The effect of stray magnetic fields on the actuating torque of a portable instrument is maximum when the operating field of the instrument and stray fields are inclined at 60o. inclined at 30o. parallel. perpendicular. inclined at 60o. inclined at 30o. parallel. perpendicular. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The expected value of the voltage across a resistor is 80 V, and the measured value is 79 V. What is the percentage error and relative accuracy of the measurement ? 1.5% & 98.75% 1.25% & 98.25% 1.25% & 98.75% 1.5% & 99% 1.5% & 98.75% 1.25% & 98.25% 1.25% & 98.75% 1.5% & 99% 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 31.4. 20. 54.2. 25.4. 31.4. 20. 54.2. 25.4. ANSWER DOWNLOAD EXAMIANS APP