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  2. AP Physics 1 - Wikipedia

    en.wikipedia.org/wiki/AP_Physics_1

    Advanced Placement (AP) Physics 1: Algebra Based[1] (also known as AP Physics 1) is a year-long introductory physics course administered by the College Board as part of its Advanced Placement program. It is intended to proxy a one-semester algebra-based university course in mechanics. Along with AP Physics 2, the first AP Physics 1 exam was ...

  3. GRE Physics Test - Wikipedia

    en.wikipedia.org/wiki/GRE_Physics_Test

    The GRE physics test is an examination administered by the Educational Testing Service (ETS). The test attempts to determine the extent of the examinees' understanding of fundamental principles of physics and their ability to apply them to problem solving. Many graduate schools require applicants to take the exam and base admission decisions in ...

  4. p–n diode - Wikipedia

    en.wikipedia.org/wiki/P–n_diode

    p–n junction. Pin configuration. A: Anode, K: Cathode. Electronic symbol. A p–n diode is a type of semiconductor diode based upon the p–n junction. The diode conducts current in only one direction, and it is made by joining a p -type semiconducting layer to an n -type semiconducting layer.

  5. p–n junction - Wikipedia

    en.wikipedia.org/wiki/P–n_junction

    A p–n junction is a combination of two types of semiconductor materials, p-type and n-type, in a single crystal. The "n" (negative) side contains freely-moving electrons, while the "p" (positive) side contains freely-moving electron holes. Connecting the two materials causes creation of a depletion region near the boundary, as the free ...

  6. Graduate Record Examinations - Wikipedia

    en.wikipedia.org/wiki/Graduate_Record_Examinations

    Computer-based or paper-based standardized test: Administrator: Educational Testing Service: Skills tested: Analytical writing, quantitative reasoning and verbal reasoning. Purpose: Admissions to master's and doctoral degree programs in various universities: Year started: 1936; 88 years ago () Duration: 1 hour and 58 minutes [1] Score range

  7. AP Physics - Wikipedia

    en.wikipedia.org/wiki/AP_Physics

    There are four Advanced Placement (AP) Physics courses administered by the College Board as part of its Advanced Placement program: the algebra -based Physics 1 and Physics 2 and the calculus -based Physics C: Mechanics and Physics C: Electricity and Magnetism. All are intended to be at the college level. Each AP Physics course has an exam for ...

  8. Proportional navigation - Wikipedia

    en.wikipedia.org/wiki/Proportional_navigation

    A missile (blue) intercepts a target (red) by maintaining constant bearing to it (green) Proportional navigation (also known as PN or Pro-Nav) is a guidance law (analogous to proportional control) used in some form or another by most homing air target missiles. [1] It is based on the fact that two vehicles are on a collision course when their ...

  9. Advanced Placement exams - Wikipedia

    en.wikipedia.org/wiki/Advanced_Placement_exams

    Advanced Placement (AP) examinations are exams offered in United States by the College Board and are taken each May by students. The tests are the culmination of year-long Advanced Placement (AP) courses, which are typically offered at the high school level. AP exams (with few exceptions [1]) have a multiple-choice section and a free-response ...

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