Practice Sources and fields - 4.2.1 | 4. MOVING CHARGES AND MAGNETISM | CBSE 12 Physics Part 1
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is an electric field?

πŸ’‘ Hint: Remember the source of the force.

Question 2

Easy

Who discovered that electric current affects magnets?

πŸ’‘ Hint: Think of the experiment with the compass.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What does the Lorentz force describe?

  • Force due to Electric Field only
  • Force due to Magnetic Field only
  • Total force due to both Electric and Magnetic Fields

πŸ’‘ Hint: Consider both types of fields.

Question 2

Are magnetic field lines closed loops?

  • True
  • False

πŸ’‘ Hint: Think of how they connect back.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Two parallel wires carry currents of 5 A and 10 A respectively. Calculate the force per unit length between the two wires if they are 0.1 m apart.

πŸ’‘ Hint: Make sure to convert units where necessary.

Question 2

Explain qualitatively why the Lorentz force can cause charged particles to move in circular paths in magnetic fields.

πŸ’‘ Hint: Connect to your knowledge about centripetal forces in mechanics.

Challenge and get performance evaluation