True or False? 1. Capacitors are electrical devices in which electricenergy is s

Question

True or False? 1. Capacitors are electrical devices in which electricenergy is stored. 2. Capacitors always have two parallel conducting plates, onecarrying a charge of +q and the other carrying a charge of-q.
3. The potential difference between capacitor's platesdepends linearly on the charge of the plates.
4. The field of a parallel-plate capacitor is not uniform atthe edges of its plates.
5. The potential on a capacitor plate varies from point topoint on the plate depending on the charge on the plate True or False? 1. Capacitors are electrical devices in which electricenergy is stored. 2. Capacitors always have two parallel conducting plates, onecarrying a charge of +q and the other carrying a charge of-q.
3. The potential difference between capacitor's platesdepends linearly on the charge of the plates.
4. The field of a parallel-plate capacitor is not uniform atthe edges of its plates.
5. The potential on a capacitor plate varies from point topoint on the plate depending on the charge on the plate

Explanation / Answer

1. Capacitors are electrical devices in which electricenergy is stored. => TRUE ( E=1/2*V2*C) 2. Capacitors always have two parallel conducting plates, onecarrying a charge of +q and the other carrying a charge of -q => FALSE (we also have the cylindercapacitor...spherial capacitor...) 3. The potential difference between capacitor's platesdepends linearly on the charge of the plates. V=Q/C   => TRUE 4. The field of a parallel-plate capacitor is notuniform at the edges of its plates => TRUE (in reallife ) 5. The potential on a capacitor plate varies from pointto point on the plate depending on the charge on the plate FALSE => the same 4. The field of a parallel-plate capacitor is notuniform at the edges of its plates => TRUE (in reallife ) 5. The potential on a capacitor plate varies from pointto point on the plate depending on the charge on the plate FALSE => the same

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