Measurement and Instrumentation A PMMC voltmeter is connected across a series combination of a DC voltage source V1 = 2 V and an AC voltage source V2 = 3sin4t, the voltmeters reads 5 V. 2 V. 0 V. (2 + √3/2)V. 5 V. 2 V. 0 V. (2 + √3/2)V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Commonly used instruments in power system measurement are Moving coil or iron Rectifier Induction Electrostatic Moving coil or iron Rectifier Induction Electrostatic 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 0.8 mm/Ω 0.4 mm/Ω 2.5 mm/Ω 5.0 mm/Ω 0.8 mm/Ω 0.4 mm/Ω 2.5 mm/Ω 5.0 mm/Ω ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Most sensitive galvanometer is Spot ballastic galvanometer Elastic galvanometer Vibration galvanometer Duddle galvanometer Spot ballastic galvanometer Elastic galvanometer Vibration galvanometer Duddle galvanometer ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The resistance can be measured most accurately by Bridge method Voltmeter-ammeter method Multimeter Megger Bridge method Voltmeter-ammeter method Multimeter Megger ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation How many time-base circuits does a dual face CRO can have? 3. 4. 1. 2. 3. 4. 1. 2. ANSWER DOWNLOAD EXAMIANS APP
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