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Physics CBSE Live product
Class 8 (2026-27)
Electricity: Magnetic and Heating Effect
Term I Revsion I - Electricity: Magnetic and Heating Effect
8.
Earth's magnetic field
Question:
2
m.
Choose the best answer below:
1
.
Which of the following is responsible for creating the Earth's magnetic field?
Movement of liquid iron in the Earth's core producing electric currents
Rotation of the Earth around the Sun
The Earth's atmosphere
Ocean currents near the poles
2
.
Many migratory birds, fish, and animals use the Earth's magnetic field to
increase their body temperature
navigate across continents and oceans
produce electricity
find food only during winter
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