Người ta dùng dây Nikêlin có điện trở suất 0,4.10-6 Ωm và có tiết diện 0,02 mm2 để quấn một biến trở có giá trị 40 Ω. Chiều dài của cuộn dây quấn biến trở này là bao nhiêu?

Answer the question on the screen plzzz

How is the speaker's writing assignment in "theme for english b" affected by his setting in place and time? the speaker focuses more on his fascination with music than on the core of the assignment. the speaker reflects that he has nothing in common with his instructor, who will therefore not understand his essay. the speaker has trouble with the assignment because he questions what is true about his own identity.< < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < ,,

What did mark twain contribute to the history of the novel? select all that apply.