本题目来源于试卷: Physics Unit17: Electric Potential,类别为 通用国际物理
[单选题]
Four charges of equal charge +q ado,l.z 4yp es68 6kzokre place*1fefloo 4w5+17k o/ -sch;nnzsjpjyd at the corners of a rectangle of sides a and+o-okl ;p 1js 41n*zes wn 7oh5yfcf/j b. What is the potential at the center of the rectangle if q = 2.0 mC, a = 3.0 cm, and b = 4.0 cm?
A. $1.3 \times 10^{6} \; V$
B. $2.9 \times 10^{6} \; V$
C. $3.5 \times 10^{6} \; V$
D. $7.8 \times 10^{6} \; V$
参考答案: B
本题详细解析:
暂无
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