单项选择题
图示电路,uc1(0-)=10V,uc2(0-)=0V,当t=0时闭合开关S后,uc1应为()。
A.6.67(1-e-t/τ)V B.10e-t/τV C.10(1-e-t/τ)V D.(6.67+3.33e-t/τ)V
A.2S B.-14S C.3S D.-3S