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question mark

if positively charged particle of certain mass may be held suspended (at rest) in electric field of suitable strength if tne field is directed
  1. upward
  2. downward
  3. outward
  4. inward

laiba akram , 5 Years ago
Grade 12
anser 2 Answers
Chinmay

Last Activity: 5 Years ago

Upward so the electrostatic force Eq on + charge can balence the gravitational force mg. As the object to be at rest all the forces should cancel each other out so as net force is zero . 

Vikas TU

Last Activity: 5 Years ago

Dear student 
Please specify the force acting on the particle, 
If it is only Gravitational force then , particle will experience force downward, 
So electric field must be upward.
Good Luck 

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