JEE Main 20245 AprilEvening Shift
- Exam
- JEE Main
- Year
- 2024
- Date
- 5 April
- Shift
- Evening Shift
- Subject
- Physics
- Chapter
- Electrostatics
JEE Main 2024 · 5 April · Evening Shift · Physics · Electrostatics
The vehicles carrying inflammable fluids usually have metallic...
The vehicles carrying inflammable fluids usually have metallic chains touching the ground :
Options
- ATo protect tyres from catching dirt from ground
- BTo alert other vehicles
- CIt is a custom
- DTo conduct excess charge due to air friction to ground and prevent sparking
Correct answer
D. To conduct excess charge due to air friction to ground and prevent sparking
Step-by-step solution
Static charge is developed due to air friction. This can result in combustion. So, metallic chains is used to discharge excess charge.
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