# The electric motor

The electric motor winding's copper wire (alpha=4*10

^{-3}K-1) has a resistance of 42 ohms at a temperature of 18 degrees. What is its resistance at an operating temperature of 50 degrees?## Correct answer:

### You need to know the following knowledge to solve this word math problem:

### Units of physical quantities:

#### Themes, topics:

### Grade of the word problem:

## Related math problems and questions:

- Osmium wire

A spiral of osmium wire has a resistance of 300 ohms at a temperature of 20 degrees Celsius. To what temperature was the coil heated if its resistance rose to 2940 ohms? (alpha=4*10-3 K-1) - Temperature 80513

A copper wire coil winding has a resistance of 10 Ω at a temperature of 14°C. The passing current by the coil heats up, and its resistance increases to 12.2 Ω. To what temperature did the coil winding heat up? α = 3.92 * 10^{-3}1/K. - Copper winding

Calculate the current flowing through the copper winding at an operating temperature of 70°C Celsius if the winding diameter is 1.128 mm and the coiled length is 40 m. The winding is connected to 8V. - Coefficient 80516

An aluminum wire has a resistance of 4.25 ohms at 0 degrees. Determine its resistance at a temperature of 200 degrees Celsius. The temperature coefficient of the electrical resistance of aluminum is 4.4·10-3K-1.

- Resistance 58091

Does the copper conductor have a resistance of 2.8Ω at 36 °C? What will be the resistance value after cooling to -22 °C? - Length 21863

The steel wire (α = 11.5. 10-6 K-1) has a length of 100 m at -15 °C. Find its length at 45 °C. - Resistance 80698

The electric iron plate has written 220 V, 1200 W. What is the resistance of the heating wire?