Measurement and Instrumentation Which of following is not correct? A shunt should have a very low resistance. An ammeter should have a very low resitance. An electronic voltmeter draw appreciable current from the source. Voltmeter should have very high resistance. A shunt should have a very low resistance. An ammeter should have a very low resitance. An electronic voltmeter draw appreciable current from the source. Voltmeter should have very high resistance. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation When a capacitor was connected to the terminal of ohmmeter, the pointer indicated a low resistance initially and then slowly came to infinity position. This shows that capacitor is Faulty None of these All right Short-circuited Faulty None of these All right Short-circuited ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation If an inductance is connected in one arm of the bridge and resistance is the remaining three arms None of the listed here The bridge can always be balanced The bridge cannot be balanced The bridge can be balanced if the resistance have some specific values None of the listed here The bridge can always be balanced The bridge cannot be balanced The bridge can be balanced if the resistance have some specific values ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Kelvin’s double bridge is used to measure low resistance because resistance variation due to temperature. effect of contact and lead resistance is eliminated. it has high sensitivity. there is no thermo electric emf. resistance variation due to temperature. effect of contact and lead resistance is eliminated. it has high sensitivity. there is no thermo electric emf. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Alternating current is measured by Induction ammeter Moving iron repulsion type voltmeter Electrostatic ammeter Permanent magnet type ammeter Induction ammeter Moving iron repulsion type voltmeter Electrostatic ammeter Permanent magnet type ammeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a wheatstone bridge, a change of 6 Ω in the unknown arm of bridge is required to produce a change in deflection of 2.4 mm of the galvanometer. The sensitivity is 2.5 mm/Ω 0.4 mm/Ω 0.8 mm/Ω 5.0 mm/Ω 2.5 mm/Ω 0.4 mm/Ω 0.8 mm/Ω 5.0 mm/Ω ANSWER DOWNLOAD EXAMIANS APP
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