Problem 11: Two capacitors of capacitance 3C and 5C (where C= 0.15 F) are connected in series with a resistor of resistance R = 9.5 3C 50 Randomized Variables R = 9.5 0 C=0.15 F Otheexpertta.com Part (a) How long will it take the amount of charge in the circuit to drop by 75% in seconds? Numeric : A numeric value is expected and not an expression. 1 = Part (b) If the circuit was charged by a 10.0 V source how much total charge (in C) did both capacitors have in them to begin with? Numeric : A numeric value is expected and not an expression. qi C Problem 12: An RC circuit takes t = 1.46 s to charge to 55% when a voltage of AV = 8.5 V is applied. Randomized Variables 1 = 1.46 s AV = 8.5 V p = 55% Part (a) What is this circuit's time constant t, in seconds? Numeric : A numeric value is expected and not an expression. T= Part (b) If the circuit has a resistance of R = 3.5 2, what is its capacitance, in farads? Numeric : A numeric value is expected and not an expression. C= Part (c) How much charge, in coulombs, is on the plates of the capacitor when it is fully charged? Numeric : A numeric value is expected and not an expression. Q = Problem 13: A capacitor is charged with a total charge of q = 5.2E-05 C. The capacitor is wired in series with a resistor, R = 19 92. Randomized Variables q = 5.2E-05 C R = 190 Part (a) Input an expression for the time constant, t, of this circuit using the variables provided and C for capacitance. Expression : T = Select from the variables below to write your expression. Note that all variables may not be required. a, B, 0, C, d, g, h, i, j, k, I, m, P, R, t Part (b) What is the value of the time constant in s if the capacitor has capacitance of 1.0 JF? Numeric : A numeric value is expected and not an expression. T= Part (c) How long will it take the capacitor to discharge half of its charge in seconds? Numeric : A numeric value is expected and not an expression. 1 =Problem 14: If you try and measure the voltage of a battery with a voltmeter connected in series, you won't get a completely accurate measurement because of the internal resistance of the battery. To see how large this effect is, consider trying to measure the terminal voltage of a 1.585 V alkaline cell having an internal resistance of 46 22 by placing a 1. / k$2 voltmeter across its terminals. Randomized Variables R = 1.1 KQ r =46 0 emf Otheexpertta.com Part (a) What current flows in A? Numeric : A numeric value is expected and not an expression. I = Part (b) Find the terminal voltage in V. Numeric : A numeric value is expected and not an expression. V = Part (c) To see how close the measured terminal voltage is to the emf, calculate their ratio. Numeric : A numeric value is expected and not an expression. V/8 = Problem 15: Consider a 27.5 2 galvanometer having a 50.0 JA sensitivity. Randomized Variables r = 27.5 0 Find the resistance that must be placed in parallel with it to allow it to be used as an ammeter with a 300.0 mA full-scale reading. Numeric : A numeric value is expected and not an expression. R =