ObjectiveMcq
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In a distribution system, __________ causes lamps to burn out permanently and may cause failure of other appliances.
Correct Answer: C — High voltage
The correct answer is C: High voltage.
A good distribution system requires a proper voltage level at the consumer terminal.
Voltage variations at the consumer terminal must be kept as low as possible.
Changes in voltage are generally caused by variation of load on the system.
High voltage causes lamps to burn out permanently and may cause failure of other appliances.
The permissible voltage variation is ±5% of the rated voltage.