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?

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

50W

200W

150W

100W

50W

200W

150W

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Measurement and Instrumentation
In AC circuits, the connection of measuring instruments cause loading effect errors which may effect

magnitude, phase and waveform of the quantity being measured.

only phase of the quantity being measured.

only the magnitude of the quantity being measured.

both of above.

magnitude, phase and waveform of the quantity being measured.

only phase of the quantity being measured.

only the magnitude of the quantity being measured.

both of above.

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Measurement and Instrumentation
In a single phase energy meter, braking torque is provided by

Fluid friction

Air friction

None of the listed here

Permanent magnet

Fluid friction

Air friction

None of the listed here

Permanent magnet

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Measurement and Instrumentation
The difference between the measured value and the true value is called

probable error

relative error

absolute error

gross error

probable error

relative error

absolute error

gross error

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Measurement and Instrumentation
The expected value of the voltage across a resistor is 80 V, and the measured value is 79 V. What is the percentage error and relative accuracy of the measurement ?

1.5% & 99%

1.5% & 98.75%

1.25% & 98.25%

1.25% & 98.75%

1.5% & 99%

1.5% & 98.75%

1.25% & 98.25%

1.25% & 98.75%

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Measurement and Instrumentation
An oscilloscope indicates

Average value

DC value of voltage

Peak to peak value of voltage

RMS value

Average value

DC value of voltage

Peak to peak value of voltage

RMS value

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Measurement and Instrumentation

Measurement and Instrumentation In AC circuits, the connection of measuring instruments cause loading effect errors which may effect

Measurement and Instrumentation In a single phase energy meter, braking torque is provided by

Measurement and Instrumentation The difference between the measured value and the true value is called

Measurement and Instrumentation The expected value of the voltage across a resistor is 80 V, and the measured value is 79 V. What is the percentage error and relative accuracy of the measurement ?

Measurement and Instrumentation An oscilloscope indicates

Measurement and Instrumentation
In AC circuits, the connection of measuring instruments cause loading effect errors which may effect

Measurement and Instrumentation
In a single phase energy meter, braking torque is provided by

Measurement and Instrumentation
The difference between the measured value and the true value is called

Measurement and Instrumentation
The expected value of the voltage across a resistor is 80 V, and the measured value is 79 V. What is the percentage error and relative accuracy of the measurement ?

Measurement and Instrumentation
An oscilloscope indicates