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Ashok0210

Asked: February 13, 2021In: Class 12 Physics

Which among the curves shown in Fig. 1.35 cannot possibly represent electrostatic field lines?

Class-12th Physics, CBSE and UP Board Electric Charges and Fields, Chapter – 1, Exercise – 1, Additional Exercise, Q-1.26 NCERT Solutions for Class 12th Physics

Ashok0210

Asked: February 13, 2021In: Class 12 Physics

An oil drop of 12 excess electrons is held stationary under a constant electric field of 2.55 × 10⁴ NC⁻¹ in Millikan’s oil drop experiment. The density of the oil is 1.26 g cm ⁻³. Estimate the radius of the drop. (g = 9.81 m s⁻²; e = 1.60 × 10⁻¹⁹ C).

Class-12th Physics, CBSE and UP Board Electric Charges and Fields, Chapter-1, Exercise – 1, Additional Exercise, Q-1.26 NCERT Solutions for Class 12th Physics

Ashok0210

Asked: February 13, 2021In: Class 12 Physics

Two large, thin metal plates are parallel and close to each other. On their inner faces, the plates have surface charge densities of opposite signs and of magnitude 17.0 × 10⁻²² C/m². What is E: (a) in the outer region of the first plate, (b) in the outer region of the second plate, and (c) between the plates?

Class-12th Physics, CBSE and UP Board Electric Charges and Fields, Chapter-1, Exercise -1, Q-1.24 NCERT Solutions for Class 12th Physics

Ashok0210

Asked: February 13, 2021In: Class 12 Physics

An infinite line charge produces a field of 9 × 10⁴N/C at a distance of 2 cm. Calculate the linear charge density.

Class-12th Physics, CBSE and UP Board Electric Charges and Fields, Chapter-1,Exercise -1, Q-1.23 NCERT Solutions for Class 12th Physics

Ashok0210

Asked: February 13, 2021In: Class 12 Physics

A uniformly charged conducting sphere of 2.4 m diameter has a surface charge density of 80.0 μC/m². (a) Find the charge on the sphere. (b) What is the total electric flux leaving the surface of the sphere?

Class-12th Physics, Electric Charges and Fields, Chapter-1,Exercise -1, Q-1.22 NCERT Solutions for Class 12th Physics

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Which among the curves shown in Fig. 1.35 cannot possibly represent electrostatic field lines?

An oil drop of 12 excess electrons is held stationary under a constant electric field of 2.55 × 10⁴ NC⁻¹ in Millikan’s oil drop experiment. The density of the oil is 1.26 g cm ⁻³. Estimate the radius of the drop. (g = 9.81 m s⁻²; e = 1.60 × 10⁻¹⁹ C).

An infinite line charge produces a field of 9 × 10⁴N/C at a distance of 2 cm. Calculate the linear charge density.

A uniformly charged conducting sphere of 2.4 m diameter has a surface charge density of 80.0 μC/m². (a) Find the charge on the sphere. (b) What is the total electric flux leaving the surface of the sphere?

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