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Where does the charge in a circuit come from?
Based on your lab activities and class discussion, draw arrowtails on each bulb below to indicate the direction and rate of charge flow when the circuits below are first connected during charging (as in Figure A) and during discharging of the capacitors (as in Figure B). Also draw starbursts on each bulb to show bulb brightness at the first moment of connection.
A capacitor is charged through two bulbs (Figure 7a) and then discharged through a single bulb (Figure 7b).
The same amount of charge flows during charging and discharging.
A capacitor is charged through two bulbs (Figure 7a) and then discharged through a single bulb (Figure 7b).
A compass would show a larger needle deflection for Figure 7b than for Figure 7a.
When a capacitor is discharged, where does the extra charge in one plate "go back to"?