A circuit contains a 2.0-MQ (that is Mega-Ohms) resistor in series with an uncharged capacitor. When this combination is connected across an ideal battery, the capacitor reaches 25% of its maximum charge in 1.5 s. Vo (1 - e(-o)) What is its capacitance? This equation may be helpful: V = O2.6 micro-Farads O 30 micro-Farads O 13 micro-Farads O 3.1 micro-Farads O 0.78 micro-Farads

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A circuit contains a 2.0-MQ (that is Mega-Ohms) resistor in series with an uncharged capacitor. When this
combination is connected across an ideal battery, the capacitor reaches 25% of its maximum charge in 1.5 s.
What is its capacitance? This equation may be helpful: V = Vo(1 – e(¯ñc))
2.6 micro-Farads
30 micro-Farads
O 13 micro-Farads
O 3.1 micro-Farads
O 0.78 micro-Farads
Transcribed Image Text:Question 4 A circuit contains a 2.0-MQ (that is Mega-Ohms) resistor in series with an uncharged capacitor. When this combination is connected across an ideal battery, the capacitor reaches 25% of its maximum charge in 1.5 s. What is its capacitance? This equation may be helpful: V = Vo(1 – e(¯ñc)) 2.6 micro-Farads 30 micro-Farads O 13 micro-Farads O 3.1 micro-Farads O 0.78 micro-Farads
Expert Solution
Step 1

Given value---

  • resistance = 2 M ohm.
  • capacitor reaches 25% of its maximum charge in 1.5 s.

We have to find---

  • capacitance?
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