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已知i1=15sin(314t+45°)A,i2=10sin(314t-30°)A,(1)试问i1和i2的相位差等于多少?(2)画出i1和i2的波形图;(3)
已知i1=15sin(314t+45°)A,i2=10sin(314t-30°)A,(1)试问i1和i2的相位差等于多少?(2)画出i1和i2的波形图;(3)在相位上比较i1和i2,谁超前,谁滞后。
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已知i1=15sin(314t+45°)A,i2=10sin(314t-30°)A,(1)试问i1和i2的相位差等于多少?(2)画出i1和i2的波形图;(3)在相位上比较i1和i2,谁超前,谁滞后。