Measurement and Instrumentation Which of following is a vector quantity? Magnetic field intensity. Relative permeability. Magnetic potential. Flux density. Magnetic field intensity. Relative permeability. Magnetic potential. Flux density. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving coil ammeter has a uniform scale with 50 division and gives a full scale reading 10 A. The instrument can read up to (1/5)th of a scale division with a fair degree of certainty. What is the resolution of the instrument in mA? 40 mA. 50 mA. 25 mA. 80 mA. 40 mA. 50 mA. 25 mA. 80 mA. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Relative error is same as ratio of absolute error and true value. None of these true error. absolute error. ratio of absolute error and true value. None of these true error. absolute error. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Deflection method direct measurements are most widely used as these are most accurate. most simple. least time consuming. most simple and least time consuming. most accurate. most simple. least time consuming. most simple and least time consuming. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An electrodynamic meter can be used to measure both AC and DC voltage. AC volatge. DC current. DC voltage. both AC and DC voltage. AC volatge. DC current. DC voltage. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The given figure shows wein bridge connection for frequency measurement. C and R are variables and gang together. For balanced condition the expression for frequency is f = 1/2πCR when R1 = R2/2. R1 = 3R2. R1 = 2R2. R1 = R2. R1 = R2/2. R1 = 3R2. R1 = 2R2. R1 = R2. ANSWER DOWNLOAD EXAMIANS APP