Question

2. In the following circuits, al lightbulbs are identical, having the same resistance. The batteries are also identical, having the same emf. Within each circuit, compare the brightness of the 4 light bulbs, L1, L2, L3, L4. Then rank the total power outputs of the 4 batteries of the 4 circuits (a), (b), (c), and (d). LI LI L2 し2 13 1.3 LA L4 1그 L.1 L2 LI し3 LA L3 LA

Answer 1

らR 25R 2. 25 R 25 R レっーレ2 >レ, =レ 2R 5 R Rea = Rt 3 E R. 25 R A. fA.

2. 2 4R Α.Α. 2R 25R 15 E 25 R SA R.