Determine the resistance of a copper conductor with a diameter of 6mm and a length of 20m. The resistivity of copper is 1.7?10−8 ohm-meters.
Determine the resistance of a copper conductor with a diameter of 6mm and a length of 20m.
The resistivity of copper is 1.7?10−8 ohm-meters.
2. Find out, and in your own words write what differences in electrical behavior obey.
between one material and another (conductors, semiconductors and insulators).
3. A copper wire has a resistance of 10Ω at 50 ° F, what resistance will it have at 70 ° C?
4. If we have a single-phase motor at a distance of 100 meters and its nameplate registers the following
data. U = 120V / In = 25th. Calculate the potential drop over the electrical conductor. If we measure at the terminals
connection of the motor How much would be the voltage registered in the Voltmeter?
5. Taking into account the scheme of the Voltage divider (voltage divider) shown in the following
Image, Design the circuit calculating its resistances (R1 and R2) to obtain an output voltage ???? of 5V
maximum dc, taking into account that the input voltage ??? is 30V dc. (Use values greater than or equal to
1KΩ).
- Calculate the voltage drops in each resistance.
- Measure the current that passes through the voltage divider circuit.
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