Curioustab

Home » Electronics and Communication Engineering » Measurements and Instrumentation

An ammeter of 0-25 A range has a guaranteed accuracy of 1% of full scale reading. The current measured is 5 A. The limiting error is

2%
2.5%
4%
5%

Correct Answer: 5%

Explanation:

.

← Previous Question Next Question→

More Questions from Measurements and Instrumentation

An LVDT is used to measure displacement. The LVDT feeds a Voltmeter of 0-5 V range through a 250 gain amplifier. For a displacement 0.5 mm the output of LVDT is 2 mV. The sensitivity of instrument is
In two wattmeter method of 3 phase power measurement, when does one wattmeter read negative
The household energy meter is
Induction wattmeter can be used in
A standard cell of 1.0185 V is used with a slide wire potentiometer. The balance was obtained at 60 cm. When an unknown emf was connected, the balance was obtained at 82 cm. The magnitude of unknown emf is
To increase Q factor of a coil, the wire should be
The Lissajous pattern observed on screen of CRO is a straight line inclined at 45° to x axis. If X-plate input is 2 sin ωt, the Y-plate input is
The angle δ for a mica capacitor is about
A voltmeter using thermocouples measures
Which of the following statement is correct for two wattmeters method of power measurement in 3 phase circuit?

Discussion & Comments

No comments yet. Be the first to comment!

Join Discussion