Measurement and Instrumentation The resistance offered to the passage of an in-varying current by a column of mercury at the temperature of melting ice of mass 14.4521 gms of uniform cross-sectional area and length 106.3cm is One ohm according to working standards Standard ohm One ohm according to SI units One international ohm One ohm according to working standards Standard ohm One ohm according to SI units One international ohm ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The moving coil-meters, damping is provided by damping vane in the airtight chamber. the coil spring attached to the moving. eddy current disk. the aluminium frame of the coil. damping vane in the airtight chamber. the coil spring attached to the moving. eddy current disk. the aluminium frame of the coil. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A meter has a full-scale deflection of 90o at a current of 1 A. The response of the meter is square law. Assuming spring control, the current for a deflection at 45o will be 0.25 A. 0.50 A. 0.67 A. 0.70 A. 0.25 A. 0.50 A. 0.67 A. 0.70 A. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In an Anderson bridge, the unknown inductance is measured in terms of Known inductance Known inductance and resistance Known resistance Known capacitance and resistance Known inductance Known inductance and resistance Known resistance Known capacitance and resistance ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The range of a moving iron ac ammeter is extended by A shunt None of the listed here Changing number of turns of operating coil A multiplier A shunt None of the listed here Changing number of turns of operating coil A multiplier ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The operating voltage of a megger is about 40 V 12 V 100 V 6 V 40 V 12 V 100 V 6 V ANSWER DOWNLOAD EXAMIANS APP