Measurement and Instrumentation The internal resistance of an ammeter should be Infinity Medium Very small High Infinity Medium Very small High ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In AC circuits, the connection of measuring instruments cause loading effect errors which may effect only the magnitude of the quantity being measured. both of above. magnitude, phase and waveform of the quantity being measured. only phase of the quantity being measured. only the magnitude of the quantity being measured. both of above. magnitude, phase and waveform of the quantity being measured. only phase of the quantity being measured. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In flux meter, the controlling torque is produced by spring. crossed coil mechanism. not provided at all. weight attached to the moving coil. spring. crossed coil mechanism. not provided at all. weight attached to the moving coil. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A PMMC instrument can be used as flux meter By making control springs of large moment of inertia By using a high series resistance By using a low resistance shunt By eliminating the control springs By making control springs of large moment of inertia By using a high series resistance By using a low resistance shunt By eliminating the control springs ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a single phase energy meter, braking torque is provided by Air friction Fluid friction Permanent magnet None of the listed here Air friction Fluid friction Permanent magnet None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The circuit in figure is used to measure the power consumed by the load. The current coil and the voltage coil of the wattmeter have 0.02 Ω and 1000 Ω resistance respectively. The measured power compared to the load power will be 0.4% less. 0.4 more. 0.2% more. 0.2% less. 0.4% less. 0.4 more. 0.2% more. 0.2% less. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS