Physics Class 10 Chapter 17: Electric Circuits

Premium chapter

• Class 10
• Physics
• Unit 17
• Book pages 205-234
• FBISE SSC-II

Chapter summary

Chapter 17 of Physics for Class 10 is called "Electric Circuits". It covers 20 learning outcomes of the Federal Board syllabus. You will learn to: draw circuit diagrams.; use common rules regarding current and voltage distribution in circuits to solve problems.. Parhayi.com has 247 MCQs, 45 short questions and 17 long questions for this chapter.

Topics in this chapter

• Draw circuit diagrams.
• Use common rules regarding current and voltage distribution in circuits to solve problems.
• Calculate the combined resistance of two or more resistors in series.
• Calculate the combined resistance of two resistors in parallel.
• Calculate current, voltage and resistance in parts of a circuit or in the whole circuit.
• Describe the action of negative temperature coefficient (NTC) thermistors and…
• Analyze the function of variable potential dividers in circuits.
• Justify and illustrate the use of color codes for resistors.
• State common uses of electricity.
• Justify the advantages of connecting lamps in parallel in a lighting circuit.
• Use the equation, power = current x voltage P = IV to solve simple Problems.
• Use the equation energy = current x voltage x time E = IVt to solve simple problems.
• Define the kilowatt-hour (kWh).
• Explain the need to choose components with suitable power ratings.
• Calculate the cost of using electrical appliances where the energy unit is the kWh.
• Explain what happens when a live wire touches a metal case that is Earthed.
• Explain why the outer casing of an electrical appliance must be either non-conducting…
• State that a main circuit consists of a live wire (line wire), a neutral wire and an earth…
• Explain why domestic supplies are connected in parallel.
• Mixed topics

Sample questions

Try these questions from the chapter. The answers are for Premium students.

1. How does the colour code on a carbon resistor provide information about its properties, and why is this method chosen over other labelling techniques? (3 marks)
2. A light bulb with a power rating of 60 W is switched on for 5 hours. Calculate the electrical energy consumed. (3 marks)
3. What are an NTC thermistor and an LDR? Give one use of each. (3 marks)

What Premium gives you in this chapter

• 247 MCQs with answers and explanations
• 45 short questions with full answers
• 17 long questions with answers
• 12 Learn cards
• 34 Activities and games
• chapter tests that show your weak topics

Physics explains how the world works, from motion and forces to heat, light and magnets. Learn each idea in simple steps, check the units, and practise numericals every day.