Question
Easy
Read the statements given below and choose the correct options : Assertion (A): The filament of an incandescent bulb is made up of tungsten. Reason (R) :Tungsten has low resistance and high melting point.
1
Both (A) and (R) are true and (R) is correct explanation of (A).
2
Both (A) and (R) are true but (R) is not correct explanation of (A).
3
(A) is true and (R) is false.
4
Both (A) and (R) are false.
Question Details
Time to Solve: 12
Exam: CTET
Level/Paper: CTET_P2
Chapter: Electricity
Topic: Heating Effect
Correct Answer
Option C
Explanation
The correct answer is Option 3: (A) is true and (R) is false. 1. Explanation for Option 3: - Assertion (A): The statement that the filament of an incandescent bulb is made up of tungsten is true. Tungsten is commonly used for the filament in incandescent bulbs due to its desirable properties. - Reason (R): The statement that tungsten has low resistance and high melting point is false. While it…Read More
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