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1. |
A metallic wire having a resistance of 20Ω is cut into two equal parts in length. These parts are then connected in parallel. The resistance of this parallel combination is equal to |
A. | 20 Ω |
B. | 10 Ω |
C. | 5 Ω |
D. | 15 Ω |
Answer» D. 15 Ω | |