Measurement and Instrumentation A wheatstone bridge cannot be used for precision measurements because errors are introduced into on account of All of above. Resistance of connecting leads. Contact resistance. Thermoelectric emfs. All of above. Resistance of connecting leads. Contact resistance. Thermoelectric emfs. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation PMMC Instrument can be used for DC work only AC work only Both AC and DC None of the listed here DC work only AC work only Both AC and DC None of the listed here 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 = 3R2. R1 = R2. R1 = R2/2. R1 = 2R2. R1 = 3R2. R1 = R2. R1 = R2/2. R1 = 2R2. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Why is a MISC meter not recommended for DC measurement? The error is high due to eddy current effect The meter does not respond to DC signals The error is high due to hysteresis effect The meter is calibrated for AC and it’s error for DC would be high The error is high due to eddy current effect The meter does not respond to DC signals The error is high due to hysteresis effect The meter is calibrated for AC and it’s error for DC would be high ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation When the pointer of an indicating instrument comes to rest in the final deflected position, ______ Both deflecting and controlling torques act None of the listed here Only controlling torque acts Only deflecting torque acts Both deflecting and controlling torques act None of the listed here Only controlling torque acts Only deflecting torque acts ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A 10MHz CRO has 10MHz supply frequency 10MHz horizontal oscillator 5MHz sweep 10MHz vertical oscillator 10MHz supply frequency 10MHz horizontal oscillator 5MHz sweep 10MHz vertical oscillator ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS