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| Q. |
How does the arc voltage V depends upon the length of arc L? |
| A. | v = f(l) |
| B. | v = 1/f(l) |
| C. | v = f(l2) |
| D. | v = f(√l) |
| Answer» A. v = f(l) | |
| Explanation: v= a+bl, where ‘v’ is the arc voltage and ‘l’ is the length of arc in cm, a & b are constants. | |
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