A cube of side 'a' has point charges +Q located at each of its vertices except at the origin where
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Q 43. A cube of
Q 43. A cube of side 'a' has point charges +Q located at each of its vertices except at the origin where the charge is –Q. The electric field at the centre of cube is :
a. (-Q)/(3√3 πε_0 a^2 ) (x ̂+y ̂+z ̂ ) b. (-2Q)/(3√3 πε_0 a^2 ) (x ̂+y ̂+z ̂ )
c. 2Q/(3√3 πε_0 a^2 ) (x ̂+y ̂+z ̂ ) d. Q/(3√3 πε_0 a^2 ) (x ̂+y ̂+z ̂ )
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a. (-Q)/(3√3 πε_0 a^2 ) (x ̂+y ̂+z ̂ ) b. (-2Q)/(3√3 πε_0 a^2 ) (x ̂+y ̂+z ̂ )
c. 2Q/(3√3 πε_0 a^2 ) (x ̂+y ̂+z ̂ ) d. Q/(3√3 πε_0 a^2 ) (x ̂+y ̂+z ̂ )
JEE Main 24 Feb 2021 morning
#NEET_PYQ #JEE_PYQ
3 سال پیش
در تاریخ 1400/03/13 منتشر شده
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