near the north and south poles of the magnet
Explanation:
Magnetic fields around a permanent magnet is strongest near the north and south poles of the magnet.
Magnetic fields are the region of space around a magnet where magnetic effects are felt.
- This is as a result of a force field that surrounds the magnet.
- Magnetic fields are strongest within the magnet.
- Also, externally, they are strongest at the poles of a magnet.
- Around the poles, magnetic lines of force leaves and enters a magnet.
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Given data
efficiency (η) = 65 %
= 0.65
Machine provides (Work done by the machine) = 1300 × 50
= 65000 J
efficiency (η) = work done by the machine ÷ work supplied to the machine
0.65 = 65000 ÷ Input work
Input work = 100000 J
= 100 KJ
+14-17+16-28 = -17+16-14 = -1-14=-15 ... west, and out of breath
It atmosphere is compsosed promarly of hyrogen and helium
