题目

英语翻译
your work must include at least the rearranged equation and the substitution for each question.the final answer must be round off to the smalled number of significant figures used in each problem.
hint :2sig.figs.
if the time constant =1minute and 3seconds and the resistance =245欧姆，use t=rc to find the capacitance

提问时间：2020-08-07

答案

你的回答必须至少包括每个问题中等式的***以及变量代换.最终结果需保留N位有效数字···（这到底保留几位题目没说清楚啊·）
提示:2sig.figs.
如果时间常量=1minute and 3second,电阻=245欧,用t=rc求电容