Вектор Пойнтинга <b><i>П</i></b> определяется выражением:<img src="/close/store/examRes/%7B8F40F84B-F475-457E-B500-576C17E2E800%7D/Y_toe_pemp_v1_4.jpg" /><img src="/close/store/examRes/%7B8F40F84B-F475-457E-B500-576C17E2E800%7D/Y_toe_pemp_v1_1.jpg" /><img src="/close/store/examRes/%7B8F40F84B-F475-457E-B500-576C17E2E800%7D/Y_toe_pemp_v1_2.jpg" /><img src="/close/store/examRes/%7B8F40F84B-F475-457E-B500-576C17E2E800%7D/Y_toe_pemp_v1_5.jpg" /><img src="/close/store/examRes/%7B8F40F84B-F475-457E-B500-576C17E2E800%7D/Y_toe_pemp_v1_3.jpg" /> <img src="/close/store/examRes/%7B8F40F84B-F475-457E-B500-576C17E2E800%7D/Y_toe_pemp_v1_1.jpg" />, <img src="/close/store/examRes/%7B8F40F84B-F475-457E-B500-576C17E2E800%7D/Y_toe_pemp_v1_2.jpg" />, <img src="/close/store/examRes/%7B8F40F84B-F475-457E-B500-576C17E2E800%7D/Y_toe_pemp_v1_3.jpg" />, <img src="/close/store/examRes/%7B8F40F84B-F475-457E-B500-576C17E2E800%7D/Y_toe_pemp_v1_4.jpg" />, <img src="/close/store/examRes/%7B8F40F84B-F475-457E-B500-576C17E2E800%7D/Y_toe_pemp_v1