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A permanent magnet moving coil type ammeter and a moving iron type ammeter are connected in series in a resistive circuit fed from output of a half wave rectifier voltage source. If the moving iron type instrument reach 5 A, the permanent magnet moving coil type instrument is likely to read __________A
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- 3.18
- 3
- 25
- 5
Correct Option: A
For half wave rectifier output,
| Idc = | and Irms = | ||
| π | 2 |
Hence PMMC reading will be,
| Idc = | = 3.18 amp | |
| π |
