Measurement and Instrumentation Alternating current is measured by Permanent magnet type ammeter Moving iron repulsion type voltmeter Induction ammeter Electrostatic ammeter Permanent magnet type ammeter Moving iron repulsion type voltmeter Induction ammeter Electrostatic ammeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A bridge circuit is shown in the figure below. Which one of the sentence given below is most suitable for balancing the bridge? First adjust R4 and then adjust R2. First adjust R2 and then adjust R3. First adjust R4 and then adjust R1. First adjust R2 and then adjust R4. First adjust R4 and then adjust R2. First adjust R2 and then adjust R3. First adjust R4 and then adjust R1. First adjust R2 and then adjust R4. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The function of shunt in an ammeter is to Increase the sensitivity of the ammeter By pass the current Increase the resistance of ammeter None of the listed here Increase the sensitivity of the ammeter By pass the current Increase the resistance of ammeter None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In DC potentiometer measurments, a second reading is often taken after reversing the polarities of the DC supply and the unknown voltage and the average of the two reading is taken. This is with a view of eliminate the effects of Stray thermal emfs. Errorneous standardisation. Ripples of the DC supply. Stray magnetic fields. Stray thermal emfs. Errorneous standardisation. Ripples of the DC supply. Stray magnetic fields. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The electrical power to a megger is provided by Ac generator Battery Any of the listed here Permanent magnet dc generator Ac generator Battery Any of the listed here Permanent magnet dc generator ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To measure the flux, devices used are based on Voltaic effect Photo-voltaic effect Hall effect Piezo-electric effect Voltaic effect Photo-voltaic effect Hall effect Piezo-electric effect ANSWER DOWNLOAD EXAMIANS APP
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