A charged cork ball having mass 1 g and charge is suspended on a light string in a uniform electric field as shown in figure. The ball is in equilibrium at \theta=37^\circ, when value of electric field is E^{\to}=(3i^{\^}+5j^{\^})\times10^5 N.C^{-1}. Assume T as tension in the string. Which of the following options are correct ? (given : \sin 37^\circ=0.60 and g=10 ms^{-2}) q' is suspended on a light string in a uniform electric field as shown in figure. The ball is in equilibrium at θ=37°, when value of electric field is E↖{→}=(3i↖{\^}+5j↖{\^})×10^5 N.C^{-1}. Assume T as tension in the string. Which of the following options are correct ? (given : \sin 37°=0.60 and g=10 ms^{-2})

Correct Answer is : T=5.55×10−3 N

AP EAMCET Engineering 21 Sep 2020 Shift 1 Paper

Section: Physics

Question : 87 of 160

Marks: +1, -0

A charged cork ball having mass 1 g and charge ′q′ is suspended on a light string in a uniform electric field as shown in figure. The ball is in equilibrium at θ=37°, when value of electric field is

→

=(3

)×105 N.C−1. Assume T as tension in the string. Which of the following options are correct ? (given : sin‌37°=0.60 and g=10 ms−2)

q=11×10−8 C
T=5.55×10−3 N
q=12×10−9 C
T=4.55×10−3 N

Validate

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