AE& JE EE Quiz: Electrical and Electronic Instrumentation Booster Quiz-1

Fluid friction damping is used in?

For a certain meter guaranteed accuracy error is 3% of full-scale same meter reads half of the full-scale reading. Then its limiting error will be ______.

Which of the following is not a type of systematic error?

Consider the following statements.

1). EMMC measures both AC and DC current and voltage.

2). EMMC type Ammeter consists 2 fixed coils.

3). In EMMC, spring provides controlling torque.

Which of the above statements is/are correct?

Electrical instruments which measure electrical quantity in form of mechanical deflection is called –

Consider the following statement regarding PMMC.

1). It is practically used to measure average quantity of current and voltage.

2). Spring provides controlling torque.

3). Eddy current damping is used.

4). It has less torque to weight ratio.

Which of the above statements is/are correct.

A current of A is measured by PMMC & MI instrument then what will the reading of instrument respectively?

The controlling torque of a gravity-controlled measuring instrument is directly proportional to

The damping technique used in PMMC instrument is: