第四节 光的衍射

第三节 光的干涉

一、问题的提出 稳恒磁场的安培环路定理：

1. 导体回路不动，由于磁场变化产生的感应电动势叫感生电动势

第三节 若干磁场分布的计算

第四节 磁场对运动电荷及电流的作用

一 .法拉第电磁感应定律 二 .动生电动势 三 .感生电动势

I．Choose the Correct Answer 1. An object is moving in a circle at constant speed v. The magnitude of the rate of change of momentum of the object （ C ）

Chapter 13 temperature, heat transfer, and first law of thermodynamics Thermodynamics study the thermal energy (often 10\ -Universe just after beginning called the internal energy) of systems

I. Choose the Correct Answer . real engine has an efficiency of33%. The engine has work output of2 4J4 per cycle.how much heat energy is extracted from the high-temperature reservoir per cycle? (D) (A)8J