Chemistry, 23.03.2020 21:35, BlueWaaaazzzBerry

Why does alternating current change direction 50 to 60 times per second?
A) because it is produced by a generator that changes current direction as it spins
B) because magnetic fields from the generator attract and repel the current C) because it travels at the speed of light back and forth across the circuit D) because it can only travel a short distance before being attracted back to where it started

Answers: 1

Show answers

Other questions on the subject: Chemistry

Chemistry, 21.06.2019 15:50, leannamat2106

If the mass of the products measured 120g what would the mass of the reactants a. 30g b. 60g c. 120g d. 240g

Answers: 1

continue

Chemistry, 21.06.2019 23:00, LarryJoeseph

Why are the trends and exceptions to the trends in ionization energy observed?

Answers: 1

continue

Chemistry, 22.06.2019 06:30, coreyslotte

Use examples from the article to explain one positive and one negative effect that chemistry has had on society.

Answers: 2

continue

Chemistry, 22.06.2019 07:00, erickamurillo9929

In the cathode ray tube experiment, j. j. thomson passed an electric current through different gases inside a cathode ray tube in the presence of an electric field. in which two ways did this experiment change scientists’ understanding of the atom?

Answers: 2

continue

Do you know the correct answer?

Why does alternating current change direction 50 to 60 times per second?
A) because it is pro...