8. Semiconductors

A) do not obey Ohm's law

B) obey Ohm's law

C) do not use electrons to conduct electricity.

D) need light to work

What is the function of an electrical motor in terms of electric power and motion?

An electron in the n = 7 level of the hydrogen atom relaxes to a lower energy level, emitting light of 397 nm. what is the value of n for the level to which the electron relaxed?

A 12-kg dog jumps up in the air to catch a ball. The dog's center of mass is normally 0.20 m above the ground, and he is 0.50 m long. The lowest he can get his center of mass is 0.

What is 9/15 as a percentage

Search for 39 05 52.46N 84 30 56.16E and zoom out to an eye altitude of ~30,000 ft. The large-scale structures in this sedimentary environment are asymmetrical ripples (known as dunes at this size).

An air-core solenoid consists of 200 turns of wire wound on a form that is 71 cm long and has a inner diameter of 6 cm. A current of 22 A is established in this solenoid.

A thermometer measures its own temperature? What does it mean?

How do you find momentum

A 60-W light bulb and a 100-W light bulb are both rated at 120 V. Which light bulb has the larger resistance? the 60-W bulb

What is the innermost layer of the sun's atmosphere called?