Hai dòng điện ngược chiều nhau có cường độ 10 A
chạy trong hai dây dẫn
thẳng rất dài đặt song song
với nhau trong không khí
cách nhau 10 cm. Xác định
vectơ cường độ từ trường
tại điểm M cách đều hai
dòng điện một khoảng 10
cm.

Work = force × a. work b. energy c. distance d. momentum

Which of the following statements comparing electron microscopy and light microscopy is false? which of the following statements comparing electron microscopy and light microscopy is false? both the electron microscope and the light microscope use the same wavelengths for illumination. images produced by light microscopes can be in color, whereas electron microscope images are black and white unless they are artificially colored. the electron microscope has greater resolution than the light microscope. electron microscopes can allow examination of viruses and internal cell structures, whereas light microscopes are limited to objects that are 0.5 micrometers and larger. request answer

Use vsepr theory to predict the molecular geometry of the molecule hcn.