7) The time constant Tau of a Resistor-Capacitor Circuit corresponds to a) the t

Question

7) The time constant Tau of a Resistor-Capacitor Circuit corresponds to a) the time it takes the capacitor to discharge to 37% of its maximum charge or voltage. (b) the time it takes the capacitor to charge to 63% of its maximum charge or voltage. (c) both of the other two statements given here. 8) How do you measure the charge on the capacitor? (a) Indirectly. You measure the voltage across the capacitor since charge and voltage are proportional to each other (q CV). (b) Directly. 9) Magnetic field lines of a magnet (a) may intersect with one another. (b) do not intersect with one another. 10) The magnet field is stronger (a) in regions where the field lines are dense together. (b) in regions where the field lines are sparse.

Explanation / Answer

7) b) the time it takes the capacitor to charge to 63% of its maximum charge or voltage.

8) a) charge is measured indirectly.

9) b) magnetic field lines never intersect.

10) a) where field lines are dense, they show that the magnetic field is strong.

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