I need help with this question can you show all the step so I can see where I went wrong.

A capacitor is connected to a 12 V battery and becomes llly charged. The battery is then removed and replaced by a voltmeter. After that, a dielectric material (K = 7.0) is inserted to ll the space between the plates, as shown in the diagram. What is the nal reading on the voltmeter? 12V l . - A piece of wire has a resistance of 20 m9. Determine the resistance of the wire after it is stretched to three times its initial length. Two wires, one gold and the other silver, have equal lengths and cross-sectional diameters. They are joined end to end and connected across a 1.0 V battery, as shown in the diagram. Determine the voltage drop across the silver Wire. Gold Silver 1.0V