3、这个电路由电池、电阻器和电容器组成。 This circuit consists of a battery, a resistor ____ a capacitor.A．andB．orC．butD．for
3、这个电路由电池、电阻器和电容器组成。 This circuit consists of a battery, a resistor ____ a capacitor.
A．and
B．or
C．but
D．for
参考答案和解析
错误
相关考题：
分电器断电器由（）。A、支承盘，触点和触点臂，调节板，调整销钉，凸轮和电阻等组成B、支承盘，触点和触点臂，调节板，调整销钉，凸轮和电容器组成C、支承盘，触点和触点臂，调节板，调整螺母，凸轮和电阻器等组成D、支承盘，触点和触点臂，调节板，调整螺母，凸块和电容器组成
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判断题电容器和电阻器都是构成电路的基本元件，但它们在电路中所起的作用却是不同的，从能量上来看，电容器是一种储能元件，而电阻器则是耗能元件。A对B错