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Electricity & Magnetism

Electric circuits, Ohm's law, magnetic fields, electromagnetic induction

Sample Practice Questions

AC (Alternating Current) reverses direction:
- Never
- Periodically
- Only once
- Only in transformers
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Answer: Periodically
Magnetic declination is the angle between:
- Equator and meridian
- True north and magnetic north
- Gravity and magnetic field
- Two magnetic poles
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Answer: True north and magnetic north
Resistors in parallel have:
- Higher equivalent resistance
- Lower equivalent resistance
- Same resistance
- Zero resistance
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Answer: Lower equivalent resistance
In a series circuit, the current through each component is:
- Different
- The same
- Zero
- Maximum everywhere
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Answer: The same

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Practice Questions

Practise NSO questions on Electricity & Magnetism. Answers are revealed after each question.

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