Physics, 22.08.2019 17:30 sashllely6112
Which of the following is an accurate statement? a. dc generators produce current with a voltage that changes from positive to negative. b. ac generators produce current that is pulsating, but always remains positive. c. step-up voltage transformers have a lower number of turns in the primary than in the secondary winding. d. step-down voltage transformers have a different number of turns in the primary than in the secondary winding, so they change the incoming voltage to a higher voltage.
Answers: 1
Physics, 21.06.2019 19:00
Adelivery truck leaves a warehouse and travels 2.60 km north. the truck makes a left turn and travels 1.25 km west before making another right turn to travel 1.40 km north to arrive at its destination. what is the magnitude and direction of the truck's displacement from the warehouse?
Answers: 2
Physics, 22.06.2019 17:20
The magnitude of the magnetic field at a certain distance from a long, straight conductor is represented by b. what is the magnitude of the magnetic field at twice the distance from the conductor? a. at twice the distance, the magnitude of the field is 4b.b. at twice the distance, the magnitude of the field is 2b.c. at twice the distance, the magnitude of the field is b/2.d. at twice the distance, the magnitude of the field is b/4.e. at twice the distance, the magnitude of the field remains equal to b.
Answers: 3
Physics, 22.06.2019 23:50
Which property is expressed in distance units? o a. period o b. wavelength o c. speed o d. frequency
Answers: 2
Physics, 23.06.2019 05:40
Which of the following can enter and exit a closed system? a. matter and energy b. neither energy nor matter c. matter but not energy d. enrgy but not matter
Answers: 1
Which of the following is an accurate statement? a. dc generators produce current with a voltage th...
Biology, 22.02.2021 21:00
Biology, 22.02.2021 21:00
French, 22.02.2021 21:00
Mathematics, 22.02.2021 21:00
Mathematics, 22.02.2021 21:00
Mathematics, 22.02.2021 21:00