MCQOPTIONS
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| 1. |
Consider the figure shown below and choose the correct option for the ratio of PA:PB._x005F_x000D_ _x005F_x000D_ |
| A. | r1 : r2 (internal) |
| B. | r1 : r2 (external) |
| C. | r2 : r1 (internal) |
| D. | r2 : r1 (external) |
| Answer» C. r2 : r1 (internal) | |