A 22-W platinum wire at 20°C with a temperature coefficient of resistivity of 3.9 × 10^-3 (°C)-1 will have what resistance at 100°C?

a. 29 W
c. 26 W
b. 20 W
d. 14 W


A

Physics & Space Science

You might also like to view...

Polyacetylene conducts electricity if it has bonding defects called _________.

Fill in the blank(s) with the appropriate word(s).

Physics & Space Science

The ________ of a star is a measure of the total energy radiated by the star in one second

a. color b. apparent visual magnitude c. luminosity class d. spectral type e. luminosity

Physics & Space Science

Select the statement which is incorrect

1.Laser light is coherent. 2.Laser light is monochromatic. 3.Laser light can be sharply collimated. 4.Laser light always produces a high and potentially dangerous temperature.

Physics & Space Science

Low-mass stars produce black holes at the end of their life-cycle.

Indicate whether the statement is true or false.

Physics & Space Science