3 The electrostatic force between two electrons is repulsive. True or False A ch

Question

3 The electrostatic force between two electrons is repulsive. True or False A charge is placed on a balloon by rubbing it with wool. The balloon will have a negative charge on it,a . 4. the wool will have a positive charge on it. True or False 5. A dielectric material is used between the plates of a capacitor to decrease the capacitance of the capacit (from its vacuum value) True or False The direction of conventional current in a circuit is the direction that electrons move through the cire True or False 6. it, if the circuit is open and the capacitor is uncharged, then the instant just after switch is closed the voltage drop across the capacitor is equal in magnitude to power supply voltage True or False The typical line voltage in the United State has an rms value of 120 v. 8. True or False

Explanation / Answer

3. T; same charges repels.

4. T; boloon is charged.

5. F; Presence of dielectric increases capacitance.

6. F; Conventional current flows opposite to the electrons.

7. F; Charge across C exponentially increases so the Vc.

8. T; It's 120 V in USA.

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