Discussion :: Measurements and Instrumentation
-
Assertion (A): A low power factor wattmeter has special constructional features to ensure accurate measurement.
Reason (R): Extension of wattmeter range in dc circuit can be easily done by using current and potential transformer.
A.
Both A and R are true and R is correct explanation of A
|
B.
Both A and R are true but R is not correct explanation of A
|
C.
A is true R is false
|
D.
A is false R is true
|
Answer : Option C
Explanation :
CT and PT cannot be used in dc.
Be The First To Comment