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Time:2022-08-20 14:03:00 Page view:
It is known from the above problem that the voltage of the heating tube is 380V and the power is 6000W
According to the formula: resistance = voltage * voltage/power
380 x 380 6000 = 24 Ω members present
Therefore, the resistance value of 380V/6000W heating tube is 24Ω
It is worth noting that the resistance value calculated is a cold resistance value, and it is a theoretical value, after the normal heating tube is made, the resistance value is tolerant, generally -10% - +5%.
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