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KCET Electromagnetism — practice questions — page 3

Explore 76 free Electromagnetism questions in KCET Physics. Open each question or exercise to read its content, reference answers and available explanation.

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Electromagnetism questions and exercises with answers

Showing questions 61–76 of 76.

Order the reasoning: from work to speedRead the answer and worked solution →Flip and pair: term with meaningRead the answer and worked solution →Spot the one that does not belongRead the answer and worked solution →True or false: energy bookkeepingRead the answer and worked solution →Speeds up, slows down, or neither?Read the answer and worked solution →Applying the work-energy theoremRead the answer and worked solution →True or false: potential energyRead the answer and worked solution →Kinetic or potential?Read the answer and worked solution →Tap every statement true of a closed pathRead the answer and worked solution →Spot the one that does not belongRead the answer and worked solution →Assertion and reason: energyRead the answer and worked solution →Complete the potential energy relationRead the answer and worked solution →Flip and pair: quantity with what it tracksRead the answer and worked solution →Two are true, one is notRead the answer and worked solution →Order the reasoning: why a pendulum keeps swingingRead the answer and worked solution →Conservative or not, in practiceRead the answer and worked solution →

Worked practice questions

Order the reasoning: from work to speed

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Steps
  1. Identify every force acting on the body
  2. Combine them into the net force
  3. Compute the work that net force does
  4. That work equals the change in kinetic energy
  5. From the new kinetic energy, read off the new speed
The theorem used as a tool. Source: syllabus Physics, Ch 5 Work, Energy and Power.

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Flip and pair: term with meaning

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Matching pairs
  1. A
    Work-energy theorem
    B
    net work equals change in kinetic energy
  2. A
    Conservative force
    B
    work is path-independent
  3. A
    Closed path
    B
    returns to the starting point
  4. A
    Potential energy
    B
    defined for a conservative force
The chapter's vocabulary. Source: syllabus Physics, Ch 5 Work, Energy and Power.

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Spot the one that does not belong

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Questions
  1. Items
    1. Depends on the route
    2. Path-independent
    3. Zero round a loop
    Odd item
    Depends on the route
  2. Items
    1. Kinetic energy
    2. Momentum
    3. Potential energy
    Odd item
    Momentum
  3. Items
    1. Gravity
    2. Spring force
    3. Friction
    Odd item
    Friction
One item is not a property of conservative forces. Source: syllabus Physics, Ch 5 Work, Energy and Power.

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