نموذج امتحان هندسة كهربائية

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امتحان هندسة كهربائية

امتحان الهندسة الكهربائية (10 أسئلة)

1. ما هو قانون أوم؟

أ) القدرة = الجهد × التيار
ب) الجهد = التيار × المقاومة
ج) التيار = الجهد ÷ القدرة
د) المقاومة = الجهد ÷ القدرة

2. إذا كانت ثلاث مقاومات 2Ω، 4Ω، 6Ω موصلة على التوالي، ما هي المقاومة الكلية؟

أ) 10Ω
ب) 11Ω
ج) 12Ω
د) 14Ω

3. ما الوحدة المستخدمة لقياس شدة التيار الكهربائي؟

أ) الفولت
ب) الأمبير
ج) الأوم
د) الواط

4. ما هي القدرة الكهربائية إذا كان الجهد 220V والتيار 5A؟

أ) 44W
ب) 225W
ج) 1100W
د) 2250W

5. أي رمز يمثل المكثف في الدوائر الكهربائية؟

أ) ⎓⎓⎓
ب) ||
ج) △
د) ⟳

6. في الدائرة المتوازية، الجهد الكهربائي:

أ) متساوي عبر جميع الفروع
ب) مختلف بين الفروع
ج) يعتمد على التيار
د) صفر

7. الغرض من الفيوز في الدائرة الكهربائية هو:

أ) زيادة الجهد
ب) حماية الدائرة من التيار الزائد
ج) تخزين الطاقة
د) تقليل المقاومة

8. إذا كانت مقاومات 3Ω و 6Ω موصلة على التوازي، ما المقاومة المكافئة؟

أ) 1.5Ω
ب) 2Ω
ج) 3Ω
د) 9Ω

9. التيار المتردد (AC) يختلف عن المستمر (DC) في أنه:

أ) اتجاهه يتغير مع الزمن
ب) ثابت القيمة والاتجاه
ج) يستخدم في البطاريات فقط
د) لا يمكن تخزينه

10. جهاز يستخدم لقياس الجهد والتيار والمقاومة هو:

أ) الملتيميتر
ب) الأوسيلوسكوب
ج) الجلفانومتر
د) الترانزستور
نموذج امتحان هندسة كهربائية

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