Practice TRANSFORMERS - 7.8 | 7. ALTERNATING CURRENT | 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 the primary function of a transformer?

πŸ’‘ Hint: Think about power transmission.

Question 2

Easy

What does the turns ratio in a transformer determine?

πŸ’‘ Hint: Consider the number of turns in each coil.

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 a transformer use to change voltage levels?

  • Static electricity
  • Mutual induction
  • Mechanical energy

πŸ’‘ Hint: Think about how energy is transferred magnetically.

Question 2

True or False: A step-down transformer increases voltage.

  • True
  • False

πŸ’‘ Hint: Consider what happens to voltage.

Solve 2 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

A transformer with a primary coil of 150 turns and a secondary coil of 300 turns receives an input voltage of 240 V. Calculate the output voltage and discuss the implications for power transmission.

πŸ’‘ Hint: Use the turns ratio for voltage calculations.

Question 2

Describe how you would design a transformer to minimize eddy currents and hysteresis losses. What materials and methods would you select?

πŸ’‘ Hint: Think about materials with low resistance.

Challenge and get performance evaluation