A permanent magnet moving coil type ammeter and a moving iron type ammeter is connected in series with the output of a half wave rectifier. If the moving iron type instrument reads 5-ampere magnet moving coil type instrument is likely to be

Question

RRB Paper · Accepted Answer

Using the given formula for the DC output current of a half-wave rectifier with a root mean square (RMS) output current of 5 A:

IDC = 2 × IRMS / π

IDC = (2 × 5 A) / π

IDC ≈ 3.18 A

Therefore, the permanent magnet moving coil type ammeter would likely read 3.18 A.

A permanent magnet moving coil type ammeter and a moving iron type ammeter is connected in series with the output of a half wave rectifier. If the moving iron type instrument reads 5-ampere magnet moving coil type instrument is likely to be

Zero

5 A

3.18 A

2.5 A

The correct answer is `No. 3: 3.18 A`

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A permanent magnet moving coil type ammeter and a moving iron type ammeter is connected in series with the output of a half wave rectifier. If the moving iron type instrument reads 5-ampere magnet moving coil type instrument is likely to be

Zero

5 A

3.18 A

2.5 A

The correct answer is No. 3: 3.18 A

The correct answer is `No. 3: 3.18 A`