判断题

A hard news story tries to entertain or advise the reader.
正确
错误

答案：错误

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不定项选择

理想模拟低通滤波器为非因果物理上不可实现的系统。

A．正确
B．错误

单项选择题

Calculate the peak current that will flow through this circuit, assuming an ideal diode. ( )
A. 12 mA during the positive half cycle

B. 12 mA during the negative half cycle

C. 16.97 mA during the positive half cycle

D. 16.97 mA during the negative half cycle