某导体两端电压为8V，通过导体的电流是0.5A，则该导体消耗的电功_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题计算题

某导体两端电压为8V，通过导体的电流是0.5A，则该导体消耗的电功率是多少？

答案

4W

题目分析：已知电压和电流，根据P=UI计算电功率，．

选择题

The next thing he saw was smoke ________ from behind the house.

A rose B to rise C rising D risen

单项选择题

Questions 14-23

Look at the ten statements for this part.
·You will hear a passage about "Great Transformation. ". You will listen to it twice.
·Decide whether you think each statement is right(R), wrong(W) or not mentioned(NM).
·Mark your answers on the Answer Sheet

The Great Transformation is probably caused by the development of practical science.

A．Right

B．Wrong

C．Not Mentioned