3 . Three resistors are connected to a 10-V battery as shown in the diagram above. What is the current
through the 2.0 Ω resistor?
(A) 0.25 A
(B) 0.50 A
(C) 1.0 A
(D) 2.0 A
(E) 4.0 A
4 . Three capacitors are connected as shown in the diagram above. C 1 = 2μF; C 2 = 4μF; C 3 = 6μF. If the
battery provides a potential of 9 V, how much charge is stored by this system of capacitors?
(A) 3.0 μC
(B) 30 μC
(C) 2.7 μC
(D) 27 μC
(E) 10 μC5 . What is the resistance of an ideal ammeter and an ideal voltmeter?