What is the potential difference if a resistance of 20 ohms produces a current of 10 amperes?

A bar magnet cut in half will form a total of poles. a) four b) eight c) two

Which of the following types of waves is not part of the electromagnetic spectrum? A) microwaves B) gamma rays C) ultraviolet radiation D) radio waves E) sound waves

In ntp, what stratum consists of atomic devices or gps clocks?

A - 4.33x10^-6 charge is placed a certain distance from a - 7.81x10^-4 C charge. Their electric potential energy is 44.9 J. How far apart are they? (Unit=m)

A ball rolling down an incline has its maximum kinetic energy at

Hot spots in electronic and electric circuits can be detected visually with the use of A. dataloggers. B. thermocouples C. oscilloscopes D. infrared cameras.

A baseball with a mass of 0.8 kg is given an acceleration of 20m/s. how much force was applied to the ball

Stephen can push with 200N of force on a couch. If the couch has a mass of 20 kg, how much acceleration will the couch have?

Which devices might use electromagnets? pick all that apply. 1. audio speakers 2. plastic combs 3. trains 4. doorbells 5. revolving chairs 6. cranes

Match each type of line or symbol, common to geologic maps, to its description. 1. Fault Line A. very dark and thick line 2. Contact Line B. very light and thin line 3. Axis Fold C. look like a stubby T 4. Strike and Dip D.