KCET · Physics · Current Electricity
Wire bound resistors are made by winding the wires of an alloy of
- A \(\mathrm{Si}, \mathrm{Tu}, \mathrm{Fe}\)
- B \(\mathrm{Ge}, \mathrm{Au}, \mathrm{Ga}\)
- C Manganin, constantan, nichrome
- D \(\mathrm{Cu}, \mathrm{Al}, \mathrm{Ag}\)
Answer & Solution
Correct Answer
(C) Manganin, constantan, nichrome
Step-by-step Solution
Detailed explanation
Wire bound resistors are made by winding the wires of an alloy of manganin, constantan and nichrome. The choice of these materials is directed mostly by the fact that their resistivitics are relatively intensive to temperature. These resistances are typically in range of a fraction of an ohm to a few hundred ohms.
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