9702/11 Physics May Jun 2024 Online Test| Cambridge AS & A Level Grade MCQ
Cambridge
AS & A Level
Physics (9702)
شهریور
2024
مشاهده نمونه سوال
شامل مباحث:
تعداد سوالات: 40
سطح دشواری:
متوسط
شروع:
آزاد
پایان:
آزاد
مدت پاسخگویی:
75 دقیقه
پیش نمایش صفحه اول فایل
Marila Lombrozo Lightning can occur between a charged cloud and the Earth’s surface when the electric field strength in the intervening atmosphere reaches $25kN{C^{ - 1}}$. The diagram shows the electric field between the base of a cloud and the Earth’s surface.
What is the minimum potential difference between the Earth and the base of a cloud, 2 km high, for lightning to occur?
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