A phenomenon referred to as “______________ ____________” occurs when reading the pointer against the selected scale on an analog meter:
If you read the scale from a side-angle view, a measured value of 120 volts may appear as 123 volts or 117 volts according to which side of the pointer you are viewing from.
The 120-volt reading only occurs when you are looking ______________ _________ at the pointer suspended over the scale.
A) parallax error; straight on
B) none of the answers
C) straight on; parallax error
D) instrument error; straight on
Show Answer
Answer:A
Share your understanding of this question with the correct explanation.