40. A potential difference of 110 V is applied to a potentiometer with a resistance of 4000 Ohms (Fig.). Between the end of the potentiometer and the engine included a voltmeter with a resistance of 10,000 ohms. What will the voltmeter show if the engine is in the middle of the potentiometer?

Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)