Measurement and Instrumentation An ammeter of range 0-25 A has a guaranteed accuracy of 1% of full-scale reading. The current measured by the ammeter is 5 A. The limiting error in the reading is 5% 3% 6% 4% 5% 3% 6% 4% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The problem of Electrostatic coupling in a transformer is acute at Low frequencies High frequencies Power frequencies High load on the transformer Low frequencies High frequencies Power frequencies High load on the transformer ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A multirange instrument has Multicoil arrangement Variable turns of coil Multirange meters inside the measurement system Multiple shunt or series resistance inside the meter Multicoil arrangement Variable turns of coil Multirange meters inside the measurement system Multiple shunt or series resistance inside the meter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An analog ammeter is a recording instrument. an absolute instrument. a controlling instrument. an indicating instrument. a recording instrument. an absolute instrument. a controlling instrument. an indicating instrument. 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
Measurement and Instrumentation The circuit in figure is used to measure the power consumed by the load. The current coil and the voltage coil of the wattmeter have 0.02 Ω and 1000 Ω resistance respectively. The measured power compared to the load power will be 0.2% more. 0.4% less. 0.4 more. 0.2% less. 0.2% more. 0.4% less. 0.4 more. 0.2% less. ANSWER DOWNLOAD EXAMIANS APP
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