<p>Can somebody help me with these 3 physics questions please?</p>
<ol>
<li><p>A 0.74 microfarad capacitor holds 4.5 microCoulomb of charge on each plate. What is the potential difference across the capacitor?</p></li>
<li><p>48 J of work are done to push .1 C of charge from point A to point B in an electric field. What isthe voltage difference between points A and B?</p></li>
<li><p>A 0.5 microfarad capacitor is charged to 24 V and then disconnected from the voltage source. A second capacitor is connected across the 0.5 microfarad capacitor and the final voltage is 16 V. </p></li>
</ol>
<p>a. Calculate the value of the second capacitor.</p>
<p>b. If the second capacitor is actually two series capacitors, one of which is 1.0 microfarads, calculate the value of the other. </p>
<p>Thanks!! :)</p>