Measurement and Instrumentation Which one of the following units is a fundamental unit? Watt Ampere Joule/sec Newton Watt Ampere Joule/sec Newton ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving coil of a meter has 100 turns, and a length and depth of 10 mm and 20 mm respectively. It is postioned in a uniform radial flux density of 200 mT. The coil carries a current of 50 mA. The torque on the coil is 2 Nm. 1 Nm. 100 Nm. 200 Nm. 2 Nm. 1 Nm. 100 Nm. 200 Nm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The absolute measurement of resistance is done by Lorenz method Ohm’s law method Rayleigh method Bridge Method Lorenz method Ohm’s law method Rayleigh method Bridge Method ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A sinusoidal signal waveform, when observed on an oscilloscope, has a peak to peak amplitude of 6 cm. If the vertical sensitivity setting is 5 v/cm, then rms value of the voltage will be 15 V. 12.6 V. 11.1 V. 10.6 V. 15 V. 12.6 V. 11.1 V. 10.6 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A set of independent current measurements taken by four observers was recorded as : 117.02 mA, 117.11 mA, 117.08 mA and 117.03 mA. What is the range of error ? ± 0.056 ± 0.065 ± 0.054 ± 0.045 ± 0.056 ± 0.065 ± 0.054 ± 0.045 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A CRO probe has an impedance of 500 kΩ in parallel with a capacitance of 10 pF. The probe is used to measure the voltage between P and Q as shown in figure. The measured voltage will be 4.54 V. 4.38 V. 5 V. 3.53 V. 4.54 V. 4.38 V. 5 V. 3.53 V. ANSWER DOWNLOAD EXAMIANS APP