Measurement and Instrumentation The internal resistance of Weston standard cell is of order of 100 ohm. 1 ohm. 1000 ohm. 10 ohm. 100 ohm. 1 ohm. 1000 ohm. 10 ohm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A 50 Hz bar primary CT has a secondary with 500 turns. The secondary supplies 5 A current into a purely resistive burden of 1Ω. The magnetizing ampere-turn is 200. The phase angle between the primary and secondary current is 4.6o. 94.6o. 175.4o. 85.4o. 4.6o. 94.6o. 175.4o. 85.4o. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The range of a moving iron ac ammeter is extended by A shunt Changing number of turns of operating coil None of the listed here A multiplier A shunt Changing number of turns of operating coil None of the listed here A multiplier ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following are integrating instruments? Voltmeters Wattmeters Ampere hour and watt hour meters Ammeters Voltmeters Wattmeters Ampere hour and watt hour meters Ammeters ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the quantity consists of unit as newton-second? Impulse velocity Acceleration Speed Impulse velocity Acceleration Speed 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 5.0 mm/Ω 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 ANSWER DOWNLOAD EXAMIANS APP