In a 110/220 V, 3 wire system neutral is not used, because:
- Additional fuse protection is unnecessary
- Neutral fuse increases shock hazard
- Blowing of neutral fuse can produce serious voltage imbalance in circuit
- It is uneconomical
Correct answer: 3. Blowing of neutral fuse can produce serious voltage imbalance in circuit
Also see: Electrical Engineering MCQs on Power Generation
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