MÁY BIẾN ÁP LÝ TƯỞNG CÓ
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Level:
Medium
Question Types: Multiple choice
Answers:
- $ \\\frac{{{U_1}}}{{{U_2}}} = {N_1} - {N_2}$
- $ \\\frac{{{U_1}}}{{{U_2}}} = \\\frac{{{N_1}}}{{{N_2}}}$
- $ \\\frac{{{U_1}}}{{{U_2}}} = {N_1} + {N_2}$
- $ \\\frac{{{U_1}}}{{{U_2}}} = \\\frac{{{N_2}}}{{{N_{21}}}}$