Measurement and Instrumentation
Piezoelectronic accelerometer

 Should use a monitoring source at low input impedance.
 Should be used for low frequency.
 Has a low natural frequency.
 Should be used for high frequencies above 100 Hz.

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Measurement and Instrumentation
Assertion(A): A low power factor wattmeter has special constructional features to ensure accurate measurment. Reason(R): Extension of wattmeter range in DC circuit can be easily done by using current and potential transformer

 A is true R is false.
 Both A and R is true and R is not correct explanation of A.
 Both A and R is true and R is correct explanation of A C.
 A is false R is true.

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