حلول التدريبات العملية في الدوائر الكهربائية

5. ב.1

أ- نجد شدة التيار في الدائرة باستخدام قانون أوم للدائرة بأكملها:

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ب- نحسب فرق جهد الأقطاب بدلالة التعبير : «math style=¨font-family:Tahoma¨ xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi mathvariant=¨bold¨ mathcolor=¨#0000FF¨ mathsize=¨20px¨»Vab«/mi»«mo mathvariant=¨bold¨ mathcolor=¨#0000FF¨ mathsize=¨20px¨»=«/mo»«mi mathvariant=¨bold¨ mathcolor=¨#0000FF¨ mathsize=¨20px¨»§#949;«/mi»«mo mathvariant=¨bold¨ mathcolor=¨#0000FF¨ mathsize=¨20px¨»-«/mo»«mi mathvariant=¨bold¨ mathcolor=¨#0000FF¨ mathsize=¨20px¨»I«/mi»«mo mathvariant=¨bold¨ mathcolor=¨#0000FF¨ mathsize=¨20px¨»§#183;«/mo»«mi mathvariant=¨bold¨ mathcolor=¨#0000FF¨ mathsize=¨20px¨»r«/mi»«/math»

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جـ- فرق الجهد على المستهلك يساوي فرق جهد الأقطاب، 9.6 فولط.