There are two point-charges q1 and q2. The magnitude of electric field force between them is F. If the third point charge +Q is introduced, will the force between q1 and q2 be influenced by +Q [ ] A: It will not be influenced by +Q B: It will be influenced by +Q

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2022-06-08

There are two point-charges q1 and q2. The magnitude of electric field force between them is F. If the third point charge +Q is introduced, will the force between q1 and q2 be influenced by +Q [ ] A: It will not be influenced by +Q B: It will be influenced by +Q

There are two point-charges
q1
and q2.
The magnitude of electric field force between them is F. If the third
point charge +Q is
introduced, will the force between q1
and q2
be influenced by +Q
[ ]
A: It will not be influenced by +Q
B: It will be influenced by +Q

答案：

A

举一反三

内容

0
与“P ← q”等值的判断是() A: P → ¬q B: q → P C: P → q D: q∧¬P
1
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2
k = 0[br][/br]while True:[br][/br] s = input('请输入 q 退出： ')[br][/br] if s == 'q':[br][/br] k += 1[br][/br] continue[br][/br] else:[br][/br] k += 2[br][/br] break[br][/br]print(k) [br][/br] [br][/br] [br][/br] 使用 A: 2 B: 请输入 q 退出： C: 3 D: 1
3
执行以下程序，输入qp，输出结果是： k = 0 while True: s = input('请输入q退出：') if s == 'q': k += 1 continue else: k += 2 break print(k) A: 2 B: 请输入q退出： C: 3 D: 1
4
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