topmcr2004 topmcr2004

14-05-2020
Engineering

contestada

In alternating current, how often does the current alternate between negative and positive? 120 times per second 60 times per second 90 times per second 180 times per second

Respuesta :

oddawsomeman2004 oddawsomeman2004

01-02-2021

Answer:

For Shielded Metal Arc Welding (SMAW) it would be 120 times per second.

Answer Link

Otras preguntas

What kinds of problems were going on in England that led to the writing of the Magna Carta?

(12x - 30) = (2x - 5)

some one plz inbox me

Simplify: -9d8d-6d - 8 )

What is the purpose of government? What should the government never do ?

For which pair of numbers is 7 the greatest common factor (GCF)? O A 16 and 63 В. 21 and 49 C. 28 and 60 O D. 42 and 88 P.S HELP!!!! PLZ!!!!!! ASAP!!!

A lot is 60 m by 36 m. A house 28 m by 8 m is built on the lot. How much area is left over?

. The atoms are held together because they both pull on the ________________ electrons

i will give brainlest

What type of exponential function is f(x)=0.75(2.1)xWhat is the function's percent rate of change?Select from the drop-down menus to correctly complete each sta