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 The absolute measurement of resistance is done by Bridge Method Lorenz method Rayleigh method Ohm’s law method Bridge Method Lorenz method Rayleigh method Ohm’s law method ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Induction type single phase energy meters measure electric energy in VAR Wh kW kWh VAR Wh kW kWh ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following is not correct? A shunt should have a very low resistance. An electronic voltmeter draw appreciable current from the source. An ammeter should have a very low resitance. Voltmeter should have very high resistance. A shunt should have a very low resistance. An electronic voltmeter draw appreciable current from the source. An ammeter should have a very low resitance. Voltmeter should have very high resistance. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To measure an A. C. voltage by using an A.C. potentiometer, it is desirable that the supply for the potentiometer in taken From a battery From the same source as the unknown voltage Any of the above From a source which is not the same as the unknown voltage From a battery From the same source as the unknown voltage Any of the above From a source which is not the same as the unknown voltage ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A PMMC instrument can be used as flux meter By eliminating the control springs By making control springs of large moment of inertia By using a low resistance shunt By using a high series resistance By eliminating the control springs By making control springs of large moment of inertia By using a low resistance shunt By using a high series resistance ANSWER DOWNLOAD EXAMIANS APP
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