Measurement and Instrumentation The chemical effect of current is used in None of these C. ammeter hour meter C. energy meter C. ammeter None of these C. ammeter hour meter C. energy meter C. ammeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The quantity 1/√(∈0 × μ0) in SI units has the dimension LT-1. speed of light. none of these. both ‘a’ and ‘b’. dimension LT-1. speed of light. none of these. both ‘a’ and ‘b’. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To measure 5 volts, if one selects a 0-100 volt range voltmeter which is accurate with in ± 1%, then the error in this measurement may be up to ± 2.5% ± 7.5 % ± 20% ± 1.5% ± 2.5% ± 7.5 % ± 20% ± 1.5% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Electrostatic instruments are used as Wattmeter only Voltmeters only Ammeters only Both ammeter and voltmeter Wattmeter only Voltmeters only Ammeters only Both ammeter and voltmeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A Manganin swap resistance is connected in series with a moving coil ammeter consisting of a milli ammeter and a suitable shunt in order to Minimize the effect of temperature variation. Minimize the effect of stray magnetic fields. Obtaine large deflecting torque. Reduce the size of the meter. Minimize the effect of temperature variation. Minimize the effect of stray magnetic fields. Obtaine large deflecting torque. Reduce the size of the meter. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The difference between the indicated value and the true value of a quantity is Dynamic error Absolute error Relative error Gross error Dynamic error Absolute error Relative error Gross error ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS