Measurement and Instrumentation A Manganin swap resistance is connected in series with a moving coil ammeter consisting of a milli ammeter and a suitable shunt in order to Minimize the effect of stray magnetic fields. Obtaine large deflecting torque. Minimize the effect of temperature variation. Reduce the size of the meter. Minimize the effect of stray magnetic fields. Obtaine large deflecting torque. Minimize the effect of temperature variation. Reduce the size of the meter. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation How many fundamental units are there ? 4 7 8 6 4 7 8 6 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Kelvin’s double bridge is used to measure low resistance because there is no thermo electric emf. it has high sensitivity. effect of contact and lead resistance is eliminated. resistance variation due to temperature. there is no thermo electric emf. it has high sensitivity. effect of contact and lead resistance is eliminated. resistance variation due to temperature. 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. 3.53 V. 4.38 V. 5 V. 4.54 V. 3.53 V. 4.38 V. 5 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a megger controlling torque is provided by Gravity Spring Coil Eddy current Gravity Spring Coil Eddy current ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation It is found that 10A current passes through a resistor of 10°hms. The resistor has 5% tolerance . The error in measurement of current can be as high as 5%. What is max error in measurement of power, calculated from measured value of I and the nominal value of resistor? 200W 100W 150W 50W 200W 100W 150W 50W ANSWER DOWNLOAD EXAMIANS APP
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