Question

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Answer 1

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$e=Blv=20\sqrt{2}cos100¦Ðt£¨V£©$
${E}_{m}^{\;}=20\sqrt{2}V$
${U}_{1}^{\;}=20V$
ÓÉ$\frac{{U}_{1}^{\;}}{{U}_{2}^{\;}}=\frac{{n}_{1}^{\;}}{{n}_{2}^{\;}}$µÃ£º
µçѹ±íµÄʾÊýÊÇ£º${U}_{2}^{\;}=10V$
${I}_{2}^{\;}=\frac{{U}_{2}^{\;}}{{R}_{L1}^{\;}}=\frac{10}{10}A=1¦¸$
ÓÉ$\frac{{U}_{1}^{\;}}{{U}_{3}^{\;}}=\frac{{n}_{1}^{\;}}{{n}_{3}^{\;}}$µÃ£º${U}_{3}^{\;}=2V$
${I}_{3}^{\;}=\frac{{U}_{3}^{\;}}{{R}_{L2}^{\;}}=1A$
ÓÖÒòΪ${n}_{1}^{\;}{I}_{1}^{\;}={n}_{2}^{\;}{I}_{2}^{\;}+{n}_{3}^{\;}{I}_{3}^{\;}$
µçÁ÷±íµÄʾÊýΪ
${I}_{1}^{\;}=0.6A$
´ð£ºÍ¼Öеçѹ±í¶ÁÊýΪ10V£¬µçÁ÷±íµÄ¶ÁÊýΪ0.6A

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