Question
What is the reactance of a capacitor connected to a constant DC source?
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| Lenses | Power $(P)$ | Aperture $(A)$ |
| $L_1$ | $3 D $ | $8 \ cm$ |
| $L_2$ | $6 D$ | $1 \ cm$ |
| $L_3$ | $10 D$ | $1 \ cm$ |