問題詳情

81. In the diagram below the voltmeter V has a resistance of 100 kΩ and is connected suchas to measure the potential difference across the 100 kΩ resistor. The battery has an emfof 5.0 V and negligible internal resistance.The reading on the voltmeter will be__________ . 5ecb3b753988d.jpg
(A) 4.0V.
(B) 2.5V.
(C) 1.0V.
(D) 0V.



參考答案

無參考答案

內容推薦

內容推薦