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 2 V. 0 V. 5 V. (2 + √3/2)V. 2 V. 0 V. 5 V. (2 + √3/2)V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A metal strain gauge has a gauge factor of two. Its nominal resistance is 120 ohms. If it undergoes a strain of 10-5, the value of change of resistance in response to the strain is 240 Ohm. 0.0024 Ohm. 0.0012 Ohm. 120 Ohm. 240 Ohm. 0.0024 Ohm. 0.0012 Ohm. 120 Ohm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following is a vector quantity? Relative permeability. Magnetic potential. Magnetic field intensity. Flux density. Relative permeability. Magnetic potential. Magnetic field intensity. Flux density. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In induction type ammeter, _____ damping is provided. Eaddy current None of the listed here Fluid friction Air friction Eaddy current None of the listed here Fluid friction Air friction ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An oscilloscope indicates RMS value Average value DC value of voltage Peak to peak value of voltage RMS value Average value DC value of voltage Peak to peak value of voltage ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The electrical power to a megger is provided by Any of the listed here Permanent magnet dc generator Ac generator Battery Any of the listed here Permanent magnet dc generator Ac generator Battery ANSWER DOWNLOAD EXAMIANS APP