Exam 28: Direct-Current Circuits

Which two circuits are exactly equivalent?

(Multiple Choice)

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Question 81

At t = 0 the switch S is closed with the capacitor uncharged.If C = 40 μF,ε = 50 V,and R = 5.0 kΩ,how much energy is stored by the capacitor when I = 2.0 mA?

(Multiple Choice)

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Question 82

Determine the potential difference V_a − V_b shown in the circuit below.

(Multiple Choice)

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Question 83

A 5000-Ω resistor and a 50-μF capacitor are connected in series at t = 0 with a 6-V battery.The capacitor is initially uncharged.What is the current in the circuit at t = 0? At t = 0.5 s? What is the maximum charge stored on the capacitor?

(Short Answer)

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Question 84

Showing 81 - 84 of 84

Exam 28: Direct-Current Circuits

Which two circuits are exactly equivalent?

At t = 0 the switch S is closed with the capacitor uncharged.If C = 40 μF,ε = 50 V,and R = 5.0 kΩ,how much energy is stored by the capacitor when I = 2.0 mA?

Determine the potential difference Va − Vb shown in the circuit below.

A 5000-Ω resistor and a 50-μF capacitor are connected in series at t = 0 with a 6-V battery.The capacitor is initially uncharged.What is the current in the circuit at t = 0? At t = 0.5 s? What is the maximum charge stored on the capacitor?

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Determine the potential difference V_a − V_b shown in the circuit below.