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 = 2R2. R1 = R2. R1 = 3R2. R1 = R2/2. R1 = 2R2. R1 = R2. R1 = 3R2. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a portable instrument , the controlling torque is provided by All of the listed here Eddy currents Spring Gravity All of the listed here Eddy currents Spring Gravity ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Alternating current is measured by Permanent magnet type ammeter Induction ammeter Moving iron repulsion type voltmeter Electrostatic ammeter Permanent magnet type ammeter Induction ammeter Moving iron repulsion type voltmeter Electrostatic ammeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The operating voltage of a megger is about 40 V 12 V 6 V 100 V 40 V 12 V 6 V 100 V ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The absolute measurement of resistance is done by Rayleigh method Bridge Method Ohm’s law method Lorenz method Rayleigh method Bridge Method Ohm’s law method Lorenz method ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation It is found that 10A current passes through a resistor of 10°hms. The resistor has 5% tolerance . The error in measurement of current can be as high as 5%. What is max error in measurement of power, calculated from measured value of I and the nominal value of resistor? 100W 200W 50W 150W 100W 200W 50W 150W ANSWER DOWNLOAD EXAMIANS APP
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