物理考研真题英语答案

更新时间:2025-12-11 13:56:15
最佳答案

在物理考研真题中,英语答案的解析通常涉及对专业术语的准确理解和翻译。以下是对某一物理考研真题英语答案的原创解析:

真题解析:

题目:In a circuit with a resistor and a capacitor in series, the initial current through the capacitor is zero. The voltage across the capacitor increases exponentially over time. Which of the following statements is correct?

A. The current through the resistor decreases over time.
B. The voltage across the capacitor reaches its maximum value immediately.
C. The voltage across the capacitor decreases over time.
D. The current through the capacitor becomes zero after a long time.

答案解析:

正确答案是A。在串联电路中,电容器初始电流为零,但随着时间的推移,电压会指数增长。由于电阻和电容器串联,电流首先通过电容器,再通过电阻。电容器两端的电压逐渐增加,导致通过电阻的电流逐渐减小。

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