Assertion (A): In the common domestic circuits the earth wire is connected to a metallic plate buried deep inside the earth.
Reason (R): Earth wire ensures that any leakage of current to the metallic body of the appliance keeps its potential to that of the earth, so the user may not get a severe electric shock.
Assertion (A): In the common domestic circuits the earth wire is connected to a metallic plate buried deep inside the earth.
Reason (R): Earth wire ensures that any leakage of current to the metallic body of the appliance keeps its potential to that of the earth, so the user may not get a severe electric shock.
Options
Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
Marking Scheme
- 11 mark
Hint
Recall the concept of earthing in domestic circuits.
Quick Oral Answer
The earth wire is connected to a metallic plate buried deep inside the earth to prevent electric shock in case of leakage of current to the metallic body of the appliance.
Analysis & Explanation
The earth wire is connected to a metallic plate buried deep inside the earth to ensure that any leakage of current to the metallic body of the appliance keeps its potential to that of the earth. This prevents the user from getting a severe electric shock.
Common Mistakes
- 1thinking that the earth wire is not connected to a metallic plate
- 2believing that the earth wire does not prevent electric shock
Interesting Facts
The earth wire is an essential safety feature in domestic circuits.
The earth wire is connected to a metallic plate buried deep inside the earth to ensure safety.
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Frequently Asked Questions
How many marks does this question carry in CBSE Class 10 Science 2025?
This question carries 1 mark in the CBSE Class 10 Science 2025 examination.
Which chapter does this question come from in Science?
This question is from the chapter "Electricity" in the CBSE Class 10 Science syllabus.
What topic does this question cover in Science?
This question covers the topic "Electric Current and Circuit" from CBSE Class 10 Science.
What type of question is this in the CBSE Class 10 Science 2025 paper?
This is a MCQ question from Section A in the CBSE Class 10 Science 2025 paper.