Physics

Physics

Problem

27. A resistor RR and a capacitor CC are connected in series to a battery of terminal voltage V0V_{0}. Which of the following equations relating the current I in the circuit and the charge Q on the capacitor describes this circuit? (A) V0+QC−I2R=0\mathrm{V}_{0}+\mathrm{QC}-\mathrm{I}^{2} \mathrm{R}=0 (B) V0−Q/C−IR=0\mathrm{V}_{0}-\mathrm{Q} / \mathrm{C}-\mathrm{IR}=0 (C) V02−Q2/2C−I2R=0\mathrm{V}_{0}{ }^{2}-\mathrm{Q}^{2} / 2 \mathrm{C}-\mathrm{I}^{2} \mathrm{R}=0 (D) V0−C(dQ/dt)−I2R=0\mathrm{V}_{0}-\mathrm{C}(\mathrm{dQ} / \mathrm{dt})-\mathrm{I}^{2} \mathrm{R}=0 (E) Q/C−IR=0Q / C-I R=0 (A) V0+QC−I2R=0\mathrm{V}_{0}+\mathrm{QC}-\mathrm{I}^{2} \mathrm{R}=0 (B) V0−Q/C−IR=0\mathrm{V}_{0}-\mathrm{Q} / \mathrm{C}-\mathrm{IR}=0 (C) V02−Q2/2C−I2R=0\mathrm{V}_{0}{ }^{2}-\mathrm{Q}^{2} / 2 \mathrm{C}-\mathrm{I}^{2} \mathrm{R}=0 (D) V0−C(dQ/dt)−I2R=0\mathrm{V}_{0}-\mathrm{C}(\mathrm{dQ} / \mathrm{dt})-\mathrm{I}^{2} \mathrm{R}=0 (E) Q/C−IR=0\mathrm{Q} / \mathrm{C}-\mathrm{IR}=0

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