Practice Led Streetlight Design (7.2) - Electricity & Circuits - IB 8 Physics
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LED Streetlight Design

Practice - LED Streetlight Design

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is the power consumption of an LED street lamp if it consumes 50 W?

💡 Hint: Read the wattage specified.

Question 2 Easy

How do you calculate current (I) from power (P) and voltage (V)?

💡 Hint: Remember the relationship between voltage, power, and current.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the power consumption of an LED streetlight?

150 W
50 W
100 W

💡 Hint: Focus on the energy-efficient designs of LEDs.

Question 2

True or False: LEDs use more power than traditional HPS lamps.

True
False

💡 Hint: Consider the definitions of each lamp type.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

If an LED streetlight consumes 50W and runs for 10 hours daily, calculate the yearly energy savings compared to a 150 W HPS lamp.

💡 Hint: Calculate daily consumption first and then summarize for the year.

Challenge 2 Hard

Discuss the broader implications of replacing street lighting with LEDs on urban energy policies.

💡 Hint: Think about environmental and economic impacts.

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Reference links

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