Sunspots are magnetic features on the Sun. In what arrangement do they always occur?
AAs isolated north magnetic poles only
BAs isolated south magnetic poles only
CIn groups of three like magnetic poles
DIn pairs of north and south magnetic poles
Answer & Solution
Correct answer: D. In pairs of north and south magnetic poles
1. Magnetic poles always occur in north and south pairs, on every scale.
2. Sunspots always occur in pairs that are north and south magnetic poles.
3. An isolated pole of either sign would be a magnetic monopole, which is never observed.
4. A group of three like poles is ruled out for the same reason, since poles come two at a time.
_Source: OpenStax College Physics (CC BY 4.0), Ch 22 "Magnetism", section 22.1 Magnets_
Keep practising Magnetism
Browse all Magnetism questions for B.Tech EEE, or explore more Electrical Engineering topics.
Related questions
For which task are x ray images more effective than MRI images?Which sensor, operating at liquid helium temperature, can measure fields thousands of timeWhat is a recording of the magnetic field of the beating heart called?What does functional MRI actually detect when it maps activity in the brain?Nuclear magnetic resonance was formulated in 1946. Who received the 1952 Nobel Prize in PhWhat is the largest part of an MRI unit, and what field strength does it typically produceHow is the electron beam of a cathode ray tube aimed at a chosen point on the screen?Wires of infinite length cannot be built. How is the definition of the ampere realised in