What is an electromagnet?, A. A magnet that is always magnetic, B. A magnet that works only when electricity flows, C. A magnet made of plastic, D. A magnet that is stronger underwater, 2. Which material is commonly used as the core of an electromagnet?, A. Wood, B. Plastic, C. Iron nail, D. Rubber, 3. How can you make an electromagnet stronger?, A. Use fewer wire coils, B. Use a weaker battery, C. Wrap the wire loosely, D. Add more coils to the wire, 4. What happens to an electromagnet when the battery is disconnected?, A. Its magnetism stops, B. It keeps working forever, C. It becomes stronger, D. It explodes, 5. Why is an electromagnet useful in machines like junkyard cranes?, A. It is cheap to buy, B. It can stick only to plastic, C. It can be turned ON and OFF, D. It works without electricity.
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EVALUATION
Baham ko'rish
Baham ko'rish
Baham ko'rish
tomonidan
Darenclarence
Tarkibini tahrirlash
Chop etish
qo'shib qo'yish
Ko'proq
Tayinlashlar
Ilg'orlar ro'yxati
Ko'proq ko'rsatish
Kamroq koʻrsatish
Ushbu etakchilar jadvali hozirda xususiy. Uni ommaga etkazish uchun
Ulashish-ni
bosing.
Liderlar ro'yxati resurs egasi tomonidan o'chirib qo'yildi.
Ushbu etakchilar ro'yxati o'chirib qo'yilgan, chunki sizning variantlaringiz resurs egasidan farq qiladi.
Qaytish moslamalari
Viktorina
ochiq-oydin shablon. Etakchilar ro'yxati uchun ballar yaratmaydi.
Tizimga kirish talab qilinadi
Vizual uslub
Shriftlar
Obuna talab etiladi
Moslamalar
Namunani almashtirish
Hammasini koʻrsatish
Faoliyatni o'ynaganingizda ko'proq formatlar paydo bo'ladi.
)
Ochiq natijalar
Bogʻdan nusxa olish
Tez javob kodi
& Olib tashlash
Tahrirlashni davom ettirish:
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