Current is directly proportional to resistance.

a. True

b. False

If a transformer has a primary with 100 V and fifty coils, and a secondary that yields 20 V, how many coils are on the secondary? a.) 200 b.) 20 c.) 50 d.) 10 e.) 100

What kind of bond would be formed between Cu and Fe? A. Tonic B. metallic C. covalent

What is the ultimate source of energy for all fossil fuels?

The outermost electrons of the element vanadium (atomic #23) are in which energy level of the atom? How do you know?

A rock layer that stores and transmits water

What do you use to measure potential difference

A force F = 94.9 N acts at an angle α = 35◦ with respect to the horizontal on a block of mass m = 29.3 kg, which is at rest on a horizontal plane. The acceleration of gravity is 9.81 m/s 2. If the static frictional coefficient is µs = 0.

Which statements about eclipses are true? Check all that apply. Earth's shadow creates a solar eclipse. A total lunar eclipse has a reddish color. The moon moves between Earth and the Sun during a solar eclipse.

Who would use more energy in a day - someone who plays a lot of sport or someone who plays a lot of computer games

If you know the wavelength of any form of electromagnetic radiation, you can determine its frequency because?