Cylinder with varying radius. Choose correct statement.
1
Power loss in first half four times second
2
Voltage drop in first half twice second
3
Current density equal
4
Electric field equal
Official Solution
Correct Option:
(2)
Concept: Step 1: Area relation
Second half radius doubled area 4 times Step 2: Voltage drop
But since lengths equal:
Conclusion: (B)
03
PYQ 2014
medium
physicsID: met-2014
Several spherical drops (radius ) combine to form one drop (radius ). Find change in surface energy.
1
2
3
4
Official Solution
Correct Option:
(2)
Concept:
Surface energy = surface tension × surface area Step 1: Initial energy
Step 2: Final energy
Step 3: Volume conservation
Step 4: Energy change Conclusion:
04
PYQ 2014
medium
physicsID: met-2014
Two substances of densities and are mixed in equal volumes, mixture density = 4. When mixed in equal masses, density = 3. Find .
1
2
3
4
None of these
Official Solution
Correct Option:
(1)
Step 1: Equal volume mixture
Step 2: Equal mass mixture
Step 3: Solve Conclusion:
About Fluids - MET
Fluids is a vital chapter for MET aspirants. Mastering the concepts covered in this chapter is essential for securing a top rank.
By rigorously practicing the previous year questions associated with this chapter, you can identify high-yield topics, understand the examiner's perspective, and boost your confidence during the actual exam.
Frequently Asked Questions
Why focus on Fluids PYQs?
Analyzing PYQs for this specific chapter reveals the most frequently tested concepts and the typical complexity of questions, allowing you to tailor your study plan efficiently.
How to best use this analysis?
Review the topic breakdown to see which sub-topics within Fluids carry the most weight. Then, tackle the questions iteratively to solidify your understanding.
