Measurement and Instrumentation Which of following is a vector quantity? Magnetic field intensity. Flux density. Relative permeability. Magnetic potential. Magnetic field intensity. Flux density. Relative permeability. Magnetic potential. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Two voltmeters have the same range 0-400V. The internal impedance are 30,000 Ohms and 20,000 Ohms. If they are connected in series and 600V be applied across them, the readings are One of the meters out of the range and other 100V 400V and 200V 300V each 360V and 240V One of the meters out of the range and other 100V 400V and 200V 300V each 360V and 240V ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving iron ammeter may be compensated for frequency errors by A shunt resistance Shunt capacitance Series resistance A series inductance A shunt resistance Shunt capacitance Series resistance A series inductance ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The resistance of a circuit is found by measuring current flowing and the power fed into the circuit. If the limiting errors in the measurement of power and current are ± 1.5% and ± 1.0% respectively, the limiting error in the measurement of resistance ± 2.5% ± 1% ± 1.5% ± 3.5% ± 2.5% ± 1% ± 1.5% ± 3.5% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A DC potentiometer is designed to measure up to about 2V with a slide wire of 800 mm. A standard cell of emf 1.18 V obtains balances at 600 mm. A test cell is seen to obtain balance at 680 mm. The emf of test cell is 1.5 V. 1 V. 1.7 V. 1.34 V. 1.5 V. 1 V. 1.7 V. 1.34 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following instruments can be used to measure AC current only? Moving iron ammeter Permanent Magnet Type ammeter Moving iron voltmeter Induction type ammeter Moving iron ammeter Permanent Magnet Type ammeter Moving iron voltmeter Induction type ammeter ANSWER DOWNLOAD EXAMIANS APP
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