精品解析:2025年高考广东卷物理部分真题(原卷版)
2025年广东省普通高中学业水平选择性考试物理限时75分钟满分100分一、单项选择题:本大题共7小题,每小题4分,共28分。在每小题列出的四个选项中,只有一项符合题目要求。1.关于受迫振动和多普勒效应,下列说法正确的是()A.系统的固有频率与驱动力频率有关B.只要驱动力足够大,共振就能发生C.应用多普勒效应可以测量车辆的速度D.观察者与波源相互远离时,接收到的波的频率比波源的频率大2.如图所示。某光伏电站输出功率、电压的交流电,经理想变压器升压至后,通过输电线输送到变电站,输电线的等效电阻R为。下列说法正确的是()A.变压器原、副线圈匝数比为B.输电线上由R造成的电压损失为C.变压器原线圈中的...
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