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英语翻译Ifthesupplyvoltagefelldownfrom240Vto230V,therateofsupplyofheattotheovenwouldchangefromHto(approximately)A.H(i.e.unchange)B.(230/240)²HC.(230/240)HD.(240/230)HE.(240/230)²H

题目详情
英语翻译
If the supply voltage fell down from 240 V to 230 V,the rate of supply of heat to the oven would change from H to (approximately)
A.H(i.e.unchange)
B.(230/240)²H
C.(230/240)H
D.(240/230)H
E.(240/230)²H
▼优质解答
答案和解析
如果提供的电压从240V降低到230V.那么烤箱的功率[传热率]将会由__H[大约]变到__H
A 无变化
B
C
D