Physics, 24.12.2020 17:10 staceyh146
37 A conductor has a cross-section of 15 cm² and a specific
resistance of 7.6 u cm at 0°C. If the temperature
coefficient of resistance of the material is 0.005°C-,
estimate its resistance in 2 per 2 km, when its temperature
is 50°C.
Answers: 2
Physics, 22.06.2019 16:00
The electric field direction is defined by the direction of the force felt by (select one of the following answers): 1. a negative charge. 2. a positive charge. 3. both positive and negative charges.
Answers: 2
37 A conductor has a cross-section of 15 cm² and a specific
resistance of 7.6 u cm at 0°C. If the t...
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