题目

某定值电阻两端电压增加1V,流过的电流就增大0.1A,该电阻阻值为____Ω,如果改变该电阻两端的电压,该电阻阻值将____  __。(选填“变大”、“不变”或“变小”) 答案:10   不变23、Can you see the red house over there? It _____ father lots of money. A.cost                    B.took                    C.paid                    D.spent
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