Find the value of a resistor with resistivity 3 x 10 20m , has length 2 cm and diameter 0.1 mm.Find the resistivity of a cvlinder of a material that has length 2.3 cm and radius 0.1 mm, which has resistance 43.4 It. Find the crosssectional area of a resistor with resistance 44 51, length 2.0 cm, and resistivitv 3.82 x 103 11111. The voltage across a resistor is 20.0 v and the current is 2.3 A. What is its resistance? A resistor is 20.0 [I and the current is 2.3 A. What is its voltage drop? A resistor is 20.0 [I and the voltage drop across it is 22.? v. What is the current flowing through it? Find the current in each of the two loops where R1 = 20 12, R2 : 40 12, R3 = 60 12,81 : 20V, and 82 : 40 V. Find the current in each of the two loops where R1 = 10 0, R2 = 30 0, R3 = 50 0, 8, = 20V, and &2 = 40 V. Rs 12 Find the current in each of the two loops where R1 = 30 0, R2 = 20 0, R3 = 10 0, 8 = 10 V, and &2 = 20 V. Ra 12 What is the charge on a capacitor of 30.0 uF, if the voltage was 12.0 V? What is the capacitance if the application of 40.0 V produces a stored charge of 12.0 AC?What is the voltage on a Elli] nF capacitor if it holds a charge of 4i] nC? The capacitance of two metal plates having the same area of ill mza re separated by 3.2 nm in air. What is its capacitance? [kappa for airs: = 1.0m Two square metal plates of side If] cm are being used to make a capacitor of size 113.13 pF separated by a piece of paper [at = 3.0]. How thin must the paper be? 'r'ou are making a capacitor by rolling up tinfoil separated by paperlrr = 3.0] that is 0.1 mm thick. What area of tinfoil on each side do you need to make a capacitor of 11) pF? A piece of wire with 9.0K! 3-: 1023 is carrying a current of 2.0 A. If the radius of the m3 wire is 1.0 mm, what is the drift velocity of the electrons? A piece of wire has a current of 511A flowing in it. Ifthe radius of the wire is 1.4 mm, and km the drift velocity of the electrons is 45GT. what is the number of charge carriers per cubic m? . If the current in a 2.0 mm diameter wire 15 A, what is the current density