Select the word that best completes the sentence. a tool or electrical system means intentionally creating a low-resistance path that connects to the earth.

Grounding

Explanation:

Grounding is secondary protection and used with the combination of primary protection. The purpose of grounding is to discharge the high voltage surges through a low resistance path to earth. These surges may be due to lightening and by coming in contact with the high voltage line. All electrical equipment is grounded for its protection. Grounding also saves humans from a shock because it prevents high voltage at the body of electrical equipment. Hence, Grounding will be the correct word.

i had this question and the answer was 3.15 miles.

martina travels from school to her mom's office. from there, she walks to school. after school, she walks to the library and then to a friends house before finally ending back at home. find martina's total distance traveled.

a) 0 miles  

b) 0.4 miles  

c) 1 mile  

d) 3.15 miles