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About this document
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- 5 pages
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- $5 one-time, yours to keep
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- Format
- Subject
- Physics
- Module
- PH221 · Week 4
This document contains multiple-choice questions for a midterm exam in Physics II. It covers topics such as mirrors, power output, circuits, potential difference, net force, electron charge, refraction, magnetic fields, and induced emf. It is useful for students preparing for their Week 4 midterm exam in PH221.
What's inside
- Concave mirrors and object distance
- Sun's average power output
- Circuit equations
- Proton speed through potential difference
- Net force on a charge
- Electron charge flow
Who it is for: Students taking the PH221 Physics II midterm exam in Week 4. (Undergraduate)
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Summary
Physics II covers topics such as optics, electromagnetism and circuits. Students get practice with multiple-choice questions on these topics.
Optics and mirrors
Concave mirrors and image formation are discussed. Students calculate object distances for given image distances.
Electromagnetic radiation
The Sun's power output is estimated. The inverse-square law is applied to calculate power from intensity.
Electric circuits
Kirchhoff's laws are applied to circuits. Students identify valid equations for given circuits.
Electric and magnetic fields
Protons moving through potential differences are considered. Magnetic fields around currents are calculated.
Key terms
- Concave mirror
- A mirror that curves inward, reflecting light to a single point.
- Inverse-square law
- The intensity of radiation decreases with the square of the distance.
- Kirchhoff's laws
- Rules for analysing electrical circuits, based on conservation of energy and charge.
- Potential difference
- The difference in electric potential between two points.
- Magnetic field
- A field generated by moving electric charges.
- Electromotive force
- The voltage developed by any source of electrical energy.
Questions this document helps with
- How do you calculate object distance for a concave mirror?
- What is the Sun's power output?
- Which equation applies to a given circuit?
- How do you find the magnetic field around a current-carrying wire?
Summary written with AI from the document's text.
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