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A supply

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noun Electronics.
a battery or other source of power for heating the filament or cathode heater of an electron tube.
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ARE YOU A TRUE BLUE CHAMPION OF THESE "BLUE" SYNONYMS?
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Question 1 of 8
Which of the following words describes “sky blue”?
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Compare B supply, C supply.

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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

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