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Six charges of equal magnitude, 3 positive and 3 negative are to be placed on PQRSTU corners of a regular hexagon, such that field at the centre is double that of what it would have been if only one +ve charge is placed at R. Which of the following arrangement of charge is possible for P, Q, R, S, T and U respectively.
  • a)
    + , +, +, –, –, –
  • b)
    –, + , +, +, –, –
  • c)
    –, + , +, –, +, –
  • d)
    + , –, +, –, +, –
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
Six charges of equal magnitude, 3 positive and 3 negative are to be pl...
Correct option (C) -, +, +, -, +, -
Explanation:
field due to only one positive charge = kq/a^2 how the placement of the charges on the hexagon vertices that the field is double. to double the field if the charge positive and − ve are placed opposite then would be done and rest of the four charges are placed such that positive infornt of positive and − ve in front of − ve. the option C
P and S cancel the field because both are − ve.
Q and T are both + ve so they cancel.
u is -ve and r is +ve so net filled due to them=2kq/a^2
So field is double
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Six charges of equal magnitude, 3 positive and 3 negative are to be placed on PQRSTU corners of a regular hexagon, such that field at the centre is double that of what it would have been if only one +ve charge is placed at R. Which of the following arrangement of charge is possible for P, Q, R, S, T and U respectively.a)+ , +, +, –, –, –b)–, + , +, +, –, –c)–, + , +, –, +, –d)+ , –, +, –, +, –Correct answer is option 'C'. Can you explain this answer?
Question Description
Six charges of equal magnitude, 3 positive and 3 negative are to be placed on PQRSTU corners of a regular hexagon, such that field at the centre is double that of what it would have been if only one +ve charge is placed at R. Which of the following arrangement of charge is possible for P, Q, R, S, T and U respectively.a)+ , +, +, –, –, –b)–, + , +, +, –, –c)–, + , +, –, +, –d)+ , –, +, –, +, –Correct answer is option 'C'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about Six charges of equal magnitude, 3 positive and 3 negative are to be placed on PQRSTU corners of a regular hexagon, such that field at the centre is double that of what it would have been if only one +ve charge is placed at R. Which of the following arrangement of charge is possible for P, Q, R, S, T and U respectively.a)+ , +, +, –, –, –b)–, + , +, +, –, –c)–, + , +, –, +, –d)+ , –, +, –, +, –Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Six charges of equal magnitude, 3 positive and 3 negative are to be placed on PQRSTU corners of a regular hexagon, such that field at the centre is double that of what it would have been if only one +ve charge is placed at R. Which of the following arrangement of charge is possible for P, Q, R, S, T and U respectively.a)+ , +, +, –, –, –b)–, + , +, +, –, –c)–, + , +, –, +, –d)+ , –, +, –, +, –Correct answer is option 'C'. Can you explain this answer?.
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