Choose the correct answer. 1. Which of the following is the main function of cochlea? a. Amplifies the sound b. Converts the sound to electric signal c. Both (a) and (b) d. None of these ​

The text compares alternating current with direct current. how are they different? a alternating current reverses direction in the electrical wiring. direct current flows in one direction only. b direct current reverses direction in the electrical wiring. alternating current flows in one direction only. c direct current is powered by solar energy. alternating current is powered by electrical energy. d alternating current does not move in the electrical wiring. direct current does move in the electrical wiring.