Measurement and Instrumentation Which amplifier in used in an electronic amplifier? Butter amplifer. Power amplifier. Differential amplifier. Wideband amplifier. Butter amplifer. Power amplifier. Differential amplifier. Wideband amplifier. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The errors mainly caused by human mistakes are gross error. systematic error. observational error. instrumental error. gross error. systematic error. observational error. instrumental error. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation What is the name of physical quantities which are independent of each other? Numerical quantity Derived quantity Fundamental quantity None of these Numerical quantity Derived quantity Fundamental quantity None of these ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A wheatstone bridge cannot be used for precision measurements because errors are introduced into on account of All of above. Contact resistance. Resistance of connecting leads. Thermoelectric emfs. All of above. Contact resistance. Resistance of connecting leads. Thermoelectric emfs. 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. Reduce the size of the meter. Minimize the effect of stray magnetic fields. Obtaine large deflecting torque. Minimize the effect of temperature variation. Reduce the size of the meter. Minimize the effect of stray magnetic fields. Obtaine large deflecting torque. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The full-scale deflection current of an ammeter is 1 mA and its internal resistance is 100°hm. This is to have full deflection when 100V is measured. What is the value of series resistor to be used? 99.99 K ohms 100 K ohms 99.99 ohms 100 ohms 99.99 K ohms 100 K ohms 99.99 ohms 100 ohms ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS