How many turns of a nichrome wire 1 mm in diameter should be wound around a porcelain cylinder with radius 2.5 cm to obtain a heater with resistance of 20 (Given (Nichrome) = 1.0 x 10 |
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(a) |
(b) |
1200 |
(c) |
(d) |
5 |

How many turns of a nichrome wire 1 mm in diameter should be wound around a porcelain cylinder with radius 2.5 cm to obtain a heater with resistance of 20 (Given (Nichrome) = 1.0 x 10 |
|||||||

(a) |
(b) |
1200 |
(c) |
(d) |
5 |

127