# CHW4 Problem 19.54 In (Figure 1), the total resistance is 13.0 k2 and the battery’s emf…

CHW4 Problem 19.54 In (Figure 1), the total resistance is 13.0 k2 and the battery’s emf is 250 V The time constant is measured to be 16.0 IS Part A Calculate the total capacitance of the circuit Express your answer with the appropriate units. ” HA O ? C: Value Units Figure Submit Request Answer Part B Calculate the time it takes for the voltage across the resistor to reach 170 V after the switch is closed Express your answer to three significant figures and include the appropriate units PHPÅ OG? to Talues Units Problem 19.56 C The RC circuit of (Figure 1) has R=7.5 k2 and 4.5 AF The capacitor is al voltage Vo att = 0, when the switch is closed Part A How long does it take the capacitor to discharge to 0.15 % of its initial voltage? Express your answer to two significant figures and include the appropriate units. PÅ RO? Figure Value Units Submit Request Answer Provide Feedback Problem 19.38 Six 66- capacitors are connected in parallel Part A What is the equivalent capacitance? Express your answer to two significant figures and include the appropriate units. HA O ? Coq = 13.2 F Submit Previous Answers Request Answer X Incorrect; Try Again; 2 attempts remaining Part B What is their equivalent capacitance if connected in series? Express your answer to two significant figures and include the appropriate units. PÅ * O ?