If the true voltage is 100 V and an instrument reads 98 V, the signed measurement error (measured minus true) is?

  • A+2 V
  • B-2 V
  • C+98 V
  • D-98 V
Report an error
Correct Answer: B. -2 V
Explanation: Error = measured value - true value = 98 - 100 = -2 V.
Reference: Standard measurements and instrumentation: measurement errors