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How much positive and negative charge is there in a cup of

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

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(i) Explain the meaning of the statement ‘electric charge of a body is quantised’.(ii) Why can one ignore quantisation of electric charge when dealing with macroscopic i.e., large scale

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

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When a glass rod is rubbed with a silk cloth, charges appear on both. A similar phenomenon is observed with many other pairs of bodies. Explain how this observation is consistent with the law of conservation of

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

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Four point charges qA = 2 µC, qB = –5 µC, qC = 2 µC, and qD = –5 µC are located at the corners of a square ABCD of side 10 cm. What is the force on a charge of 1 µC placed at the centre of the

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An electrostatic field line is a continuous curve. That is, a field line cannot have sudden breaks. Why

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Explain why two field lines never cross each other at any

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Consider a uniform electric field E = 3 × 103 î N/C. What is the flux of this field through a square of 10 cm on a side whose plane is parallel to the yz

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

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Consider a uniform electric field E = 3 × 103 î N/C. What is the flux through the same square if the normal to its plane makes a 60° angle with the

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

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Consider a uniform electric field E = 3 × 103 î N/C. What is the net flux of the uniform electric field of Exercise 1.15 through a cube of side 20 cm oriented so that its faces are parallel to the coordinate

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

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Careful measurement of the electric field at the surface of a black box indicates that the net outward flux through the surface of the box is 8.0 × 103 `Nm^2`/C. What is the net charge inside the box?Why or Why

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

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Careful measurement of the electric field at the surface of a black box indicates that the net outward flux through the surface of the box is 8.0 × 103 `Nm^2`/C. If the net outward flux through the surface of the box were zero, could you conclude that there were

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

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A point charge +10 µC is a distance 5 cm directly above the centre of a square of side 10 cm, as shown in Fig. . What is the magnitude of the electric flux through the square? (Hint: Think of the square as one face of a cube with edge 10

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

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A point charge of 2.0 µC is at the centre of a cubic Gaussian surface 9.0 cm on edge. What is the net electric flux through the

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

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A point charge causes an electric flux of –1.0 × 103 `Nm^2` /C to pass through a spherical Gaussian surface of 10.0 cm radius centred on the charge. If the radius of the Gaussian surface were doubled, how much flux would pass through the

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

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A point charge causes an electric flux of –1.0 × 103 `Nm^2` /C to pass through a spherical Gaussian surface of 10.0 cm radius centred on the charge. What is the value of the point

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

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A conducting sphere of radius 10 cm has an unknown charge. If the electric field 20 cm from the centre of the sphere is 1.5 × 103 N/C and points radially inward, what is the net charge on the

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A uniformly charged conducting sphere of 2.4 m diameter has a surface charge density of 80.0 µC/m2 . Find the charge on the

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

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

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

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