Task id16519
The arc lamp is designed for a voltage Ul = 50 V with a current Il = 3.5 A. It must be connected to a network with a voltage U = 120 V using an additional resistance made of nickel wire with a cross-section of S = 0.1 mm2. Find the length of the wire. Nickel resistivity p = 0.40 μΩ m.
Detailed solution. Format gif
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