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Electric Toothbrush - Recharges via mutual induction

Electric Toothbrush - Recharges via mutual induction. Resistor: opposes “motion” (current), like friction Inductor: opposes change in motion, like inertia. Which curve shows the current after switch s1 is closed?. B. Let’s calculate….

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Electric Toothbrush - Recharges via mutual induction

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  1. Electric Toothbrush - Recharges via mutual induction

  2. Resistor: opposes “motion” (current), like friction Inductor: opposes change in motion, like inertia

  3. Which curve shows the current after switch s1 is closed? B Let’s calculate…

  4. Which curve shows the voltage drop across the inductor after S1 is closed? C

  5. Which curve shows the voltage drop across the resistor after S1 is closed? B

  6. After reaching a steady current, S1 is opened and S2 is closed, simultaneously. What curve shows the voltage drop across the resistor vs time? C

  7. After reaching a steady current, S1 is opened and S2 is closed, simultaneously. What curve shows the voltage drop across the inductor vs time? D

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