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None of the above
Large current in D.C circuits can be measured with
Large transformers, when used for some time, become very hot and are cooled by circulating oil. The heating of the transformer is due to
Larger buildings may be supplied with a medium voltage electricity supply, and will require a substation or mini-sub. What is the main item of equipment contained in these?
Least audible sound for most of the human ear is :
Let a thin capillary tube be replaced with another tube of insufficient length then, we find water
Let a tin capillary tube be replaced with another tube of insufficient length then we find that water
Light beam which is highly directional is called:
Light Emitting Diodes (LED) is used in fancy electronic devices such as toys emit
Light houses are places with powerful lights to :
Light travels at the fastest speed in:
