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اختبار اختيار من متعدد تفاعلي: MCQ - Objective Questions انسباير وفق الهيكل

يحتوي هذا الاختبار على مجموعة من الأسئلة الموضوعية في الفيزياء، تركز على مفهوم القوة المغناطيسية المؤثرة على الأسلاك التي تحمل تياراً كهربائياً والجسيمات المشحونة.
تغطي الأسئلة حسابات القوة والمجال والتيار والسرعة باستخدام معادلات القوة المغناطيسية، بالإضافة إلى وحدات قياس المجال المغناطيسي وتطبيق قاعدة اليد اليمنى لتحديد اتجاه القوة.
يهدف الاختبار إلى تقييم فهم الطلاب للمبادئ الأساسية للمغناطيسية الكهربائية.
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اختبار شهادة تدريبي مؤقت للصف والمادة والفصل نفسه.

ابدأ السباق ✨
رقم الاختبار 1629
الصف الصف الثاني عشر العام
المادة فيزياء
الفصل الفصل الثالث
السنة الدراسية 2025/2026
عدد الأسئلة 15
إجمالي النقاط 15
تاريخ الإضافة 2026-06-01
الزيارات 201
المعلم Mohammed Khresani
الناشر Maya Dayoub
اختر إجابة واحدة لكل سؤال. عند الاختيار ستظهر النتيجة فورًا: الأخضر صحيح، والأحمر خطأ، وسيظهر تفسير الإجابة مباشرة إن كان متوفرًا. وبعد آخر سؤال ستظهر الدرجة النهائية تلقائيًا.
Question 1
Points: 1
A straight wire 0.10 m long carrying a current of 5 A is placed in a uniform magnetic field perpendicular to the wire. If the force acting on the wire is 0.20 N, what is the magnitude of the magnetic field (B)?
Question 2
Points: 1
A wire 0.50 m long carrying a current of 8.0 A is perpendicular to a magnetic field of 0.40 T. What is the magnitude of the force acting on the wire?
Question 3
Points: 1
A wire 75 cm long carrying a current of 6.0 A is perpendicular to a uniform magnetic field. The force acting on the wire is 0.60 N. What is the magnitude of the magnetic field?
Question 4
Points: 1
What is the current required to produce a force of 0.38 N on a wire 10.0 cm long perpendicular to a magnetic field of magnitude 0.49 T?
Question 5
Points: 1
A copper wire 40.0 cm long carries a current of 6.0 A and weighs 0.35 N. A magnetic field is present on the wire that is strong enough to counteract the force of gravity. What is the strength of the magnetic field?
Question 6
Points: 1
Magnetic field strength (B) is measured in teslas (T), which is equivalent to:
Question 7
Points: 1
The magnetic force acting on a current-carrying wire placed in a magnetic field is zero when:
Question 8
Points: 1
What is the magnitude and direction of the force acting on the proton shown in the figure?
Question 9
Points: 1
A flow of diionic particles (losing two electrons and thus carrying two primary positive charges) at a speed of 3.0 × 104 m/s perpendicular to a magnetic field of 0.90 T. What is the force acting on each ion?
Question 10
Points: 1
A beam of triionary particles (each carrying three elementary positive charges) enters a magnetic field of 4.0 × 10-2 T. The particles travel at a speed of 9.0 × 106 m/s and move at \right angles to the field. What is the magnitude of the force acting on each particle?
Question 11
Points: 1
A singly ionized particle experiences a force of 4.1 × 10-13 N when moving at a \right angle through a magnetic field of 0.61 T. What is the particle's speed?
Question 12
Points: 1
Doubly ionized helium atoms (alpha particles) move at \right angles to a magnetic field at a speed of 4.0 × 104 m/s. The force on each particle is 6.4 × 10-16 N. What is the strength of the magnetic field?
Question 13
Points: 1
Given the figure, if there is a proton (positive charge) moving to the right within a magnetic field directed "inside the page" (x), what is the direction of the magnetic force acting on it?
Question 14
Points: 1
If the proton in the previous question were replaced by an "electron" (negative charge) moving in the same direction, what would be the direction of the force?
Question 15
Points: 1
When applying the right-hand rule to determine the force on a charged particle, what do the four outstretched fingers point to?

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