试题与答案

如图所示电路,R1=20欧,R2=30欧,R3=40欧,当开关S接1时,电流表A

题型:填空题

题目:

如图所示电路,R1=20欧,R2=30欧,R3=40欧,当开关S接1时,电流表A1的读数是0.5安,S接2时,电流表A2的示数是_________安,电源电压是__________伏。

答案:

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参考答案:①企业自身主体资格和拥有商标专用权的证明材料;②提交给工商部门的投诉书;③被投诉方(商标侵权人)实施商标侵权行为的证据。

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