ElectricityPractice Questions & MCQs
Practice Electricity questions for Class 10 Science - important MCQs and practice questions with answers and step-by-step solutions. Solve the sample Electricity questions below, then get the full set free on the RankByte app.
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Q1. Why is the tungsten used almost exclusively for filament of electric lamps?
- A.Tungsten has a high melting point
- B.Tungsten is a good conductor of electricity
- C.Tungsten is non-toxic
- D.Tungsten is cheap
Answer: A. Tungsten has a high melting point
NCERT fact (physics, chapter 'Electricity'): Tungsten's high melting point makes it suitable for lamp filaments. Why option A fits - Tungsten's high melting point allows it to withstand the high temperatures inside the lamp. Distractor analysis: option B) 'Tungsten is a good conductor of electricity' misses the point - This is not the primary reason tungsten is used for lamp filaments; option C) 'Tungsten is non-toxic' is wrong because This is not a relevant characteristic for lamp filaments. Final answer - A) Tungsten has a high melting point.
Q2. In the electrolytic refining of a metal M, what should be used as the anode, the cathode and the electrolyte?
- A.Anode: impure metal M; Cathode: thin strip of pure metal M; Electrolyte: a water-soluble salt solution of metal M
- B.Anode: pure metal M; Cathode: impure metal M; Electrolyte: pure water
- C.Anode: carbon; Cathode: carbon; Electrolyte: metal M
- D.Anode: any non-metal; Cathode: any non-metal; Electrolyte: water
Answer: A. Anode: impure metal M; Cathode: thin strip of pure metal M; Electrolyte: a water-soluble salt solution of metal M
Q3. What is the function of an earth wire? Why is it necessary to earth metallic appliances?
- A.To provide a path for the current to flow safely to the ground.
- B.To provide a path for the current to flow to the live wire.
- C.To provide a path for the current to flow to the neutral wire.
- D.To provide a path for the current to flow to the ground without any resistance.
Answer: A. To provide a path for the current to flow safely to the ground.
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Get early accessElectricity - Frequently asked questions
Where can I find Electricity practice questions for Class 10 Science?
RankByte has chapter-wise and topic-wise Electricity practice questions and MCQs for Class 10 Science, each with the correct answer and a step-by-step solution - free to start.
Are these Electricity questions important for the exam?
Yes. These Electricity important questions follow the Science exam pattern (CBSE Boards, plus JEE and NEET foundation), so they help with both school and competitive prep.
Do the Electricity questions come with answers and solutions?
Every Electricity question on RankByte comes with the correct answer and a full step-by-step solution, so you learn from each one instead of just guessing.
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