Sphere l Sphere 2 r, > r: Switch As shown above, sphere1 and sphere 2 are made of metal and connected together by a wire with a switch. While the switch is open, sphere 1 is given a positive total charge (and sphere 2 remains neutral). Then the switch is closed. How does the charge 01 on sphere 1 compare to the charge 02 on sphere 2? 01 is equal to 02 01 is greaterthan 02 01 is less than 02 Question 2 A 3 V battery has metal wires attached to each end. What is the potential difference AVM = V4 - V1 between points 1 and 4? -3V 1.5V 0V 3V Question 3 Id A thi tl J A battery of voltage AVbat is connected to a parallel plate capacitor as shown above. Then, without breaking any connections, the separation between the capacitor plates is increased from dto 2d. How does the capacitance Cchange as the separation increases? It increases to double its original value. It decreases to half its original value. It's impossible to know for sure. It stays the same. Question 4 4M}: 4M: llll i 3 ;J.F l 5 p.17 3 ,uF 3 #F 3 MF I T I l 3 MF 1' (a) (b) (d) (C) The gure above shows four different sections of capacitor circuits. Which has the largest equivalent capacitance? (a) (d) (b) (C)