Charges of +q and -q are situated at the two vertices of an equilateral triangle. What can be said of the electric field E and potential V at the unoccupied vertex? E=0, V=0 E=0, V< 0 E=0, V>0 E≠0, V=0
Dielectric Constant Of Water
Water constitutes about 70% of earth. Some important distinguishing properties of water are high molar concentration, small dissociation constant and high dielectric constant.
Electrostatic Potential and Capacitance
An electrostatic force is a force caused by stationary electric charges /fields. The electrostatic force is caused by the transfer of electrons in conducting materials. Coulomb’s law determines the amount of force between two stationary, charged particles. The electric force is the force which acts between two stationary charges. It is also called Coulomb force.
- Charges of +q and -q are situated at the two vertices of an equilateral triangle. What can be said
of the electric field E and potential V at the unoccupied vertex?
- E=0, V=0
- E=0, V< 0
- E=0, V>0
- E≠0, V=0
For items 8 to 10, the series combination of 5.0 F and 20.0 F capacitors is connected in parallel to a 40.0 F capacitor.
- The equivalent capacitance is _____________.
- 3.6 F
- 15 F
- 44 F
- 65 F
- What is the total charge stored in the combination of capacitors when connected
to 100V ?
- 360 C
- 1500 C
- 4400 C
- 6500 C
- What is the energy stored in the combination of capacitors?
- 2200 J
- 4400 J
- 220 000 J
- 440000 J
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