Practice Types (7.2) - Electromagnetic Induction and Alternating - ICSE 12 Physics
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Practice Questions

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Question 1 Easy

What does a step-up transformer do?

💡 Hint: Think about its name, what does 'step-up' imply?

Question 2 Easy

In which situation would you find a step-down transformer?

💡 Hint: Where do we use electrical devices safely?

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the primary function of a step-up transformer?

Decrease voltage
Increase voltage
Maintain voltage

💡 Hint: Think about its effect on electrical energy.

Question 2

Step-down transformers have more turns in which coil?

Secondary
Primary
Both are equal

💡 Hint: Consider what 'step-down' means about voltage levels.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

A transformer has a turns ratio of 4:1. If the input voltage is 100V, what is the output voltage?

💡 Hint: Use the turns ratio to calculate the output.

Challenge 2 Hard

Describe the energy efficiency advantages of using step-up transformers in power transmission systems.

💡 Hint: Consider how energy loss relates to current flow.

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