Задача 1
Здания 2
q - 16 нКл = 1,6 * 10^-8
k = 9 * 10⁹ H
R= 2 см = 0,02 м
Е(R>r)=?
r)= \frac{kq}{R {}^{2} } = \frac{9 \times 10 {}^{9} \times 1.6 \times 10 {}^{ - 8} }{0.02} = 360000 \frac{V}{m} " alt="Е(R>r)= \frac{kq}{R {}^{2} } = \frac{9 \times 10 {}^{9} \times 1.6 \times 10 {}^{ - 8} }{0.02} = 360000 \frac{V}{m} " align="absmiddle" class="latex-formula">
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q - 16 нКл = 1,6 * 10^-8
k = 9 * 10⁹ H
R= 4 см = 0,04 м
Е(R>r)=?
r)= \frac{kq}{R {}^{2} } = \frac{9 \times 10 {}^{9} \times 1.6 \times 10 {}^{ - 8} }{0.04} = 90000 \frac{V}{m} " alt="Е(R>r)= \frac{kq}{R {}^{2} } = \frac{9 \times 10 {}^{9} \times 1.6 \times 10 {}^{ - 8} }{0.04} = 90000 \frac{V}{m} " align="absmiddle" class="latex-formula">