Continuous Charge Distribution
PHXII01:ELECTRIC CHARGES AND FIELDS

358007 The electric field at a distance 3R2 from the centre of a charged conducting spherical shell of radius R is E. The electric field at distance R2 from the centre of the sphere is

1 E/2
2 Zero
3 E/3
4 E
PHXII01:ELECTRIC CHARGES AND FIELDS

358008 The surface density on the copper sphere is σ. The electric field strength on the surface of the sphere is

1 σ
2 σ/2
3 σ/20
4 σ/0
PHXII01:ELECTRIC CHARGES AND FIELDS

358010 A spherical conductor of radius 10 cm has a charge of 3.2×107C distributed uniformly. What is the magnitude of electric field at a point 15 cm from the centre of the sphere?
(14πε0=9×109Nm2/C2)

1 1.28×105N/C
2 1.28×106N/C
3 1.28×107N/C
4 1.28×104N/C
PHXII01:ELECTRIC CHARGES AND FIELDS

358007 The electric field at a distance 3R2 from the centre of a charged conducting spherical shell of radius R is E. The electric field at distance R2 from the centre of the sphere is

1 E/2
2 Zero
3 E/3
4 E
PHXII01:ELECTRIC CHARGES AND FIELDS

358008 The surface density on the copper sphere is σ. The electric field strength on the surface of the sphere is

1 σ
2 σ/2
3 σ/20
4 σ/0
PHXII01:ELECTRIC CHARGES AND FIELDS

358009 A thin metallic spherical shell contains a charge Q on it. A point charge q is placed at the centre of the shell and another charge q1 is placed outside it as shown in the figure. All the three charges are positive.
The Force on the charge at the centre is
supporting img

1 towards left
2 towards right
3 upward
4 Zero
PHXII01:ELECTRIC CHARGES AND FIELDS

358010 A spherical conductor of radius 10 cm has a charge of 3.2×107C distributed uniformly. What is the magnitude of electric field at a point 15 cm from the centre of the sphere?
(14πε0=9×109Nm2/C2)

1 1.28×105N/C
2 1.28×106N/C
3 1.28×107N/C
4 1.28×104N/C
PHXII01:ELECTRIC CHARGES AND FIELDS

358007 The electric field at a distance 3R2 from the centre of a charged conducting spherical shell of radius R is E. The electric field at distance R2 from the centre of the sphere is

1 E/2
2 Zero
3 E/3
4 E
PHXII01:ELECTRIC CHARGES AND FIELDS

358008 The surface density on the copper sphere is σ. The electric field strength on the surface of the sphere is

1 σ
2 σ/2
3 σ/20
4 σ/0
PHXII01:ELECTRIC CHARGES AND FIELDS

358009 A thin metallic spherical shell contains a charge Q on it. A point charge q is placed at the centre of the shell and another charge q1 is placed outside it as shown in the figure. All the three charges are positive.
The Force on the charge at the centre is
supporting img

1 towards left
2 towards right
3 upward
4 Zero
PHXII01:ELECTRIC CHARGES AND FIELDS

358010 A spherical conductor of radius 10 cm has a charge of 3.2×107C distributed uniformly. What is the magnitude of electric field at a point 15 cm from the centre of the sphere?
(14πε0=9×109Nm2/C2)

1 1.28×105N/C
2 1.28×106N/C
3 1.28×107N/C
4 1.28×104N/C
PHXII01:ELECTRIC CHARGES AND FIELDS

358007 The electric field at a distance 3R2 from the centre of a charged conducting spherical shell of radius R is E. The electric field at distance R2 from the centre of the sphere is

1 E/2
2 Zero
3 E/3
4 E
PHXII01:ELECTRIC CHARGES AND FIELDS

358008 The surface density on the copper sphere is σ. The electric field strength on the surface of the sphere is

1 σ
2 σ/2
3 σ/20
4 σ/0
PHXII01:ELECTRIC CHARGES AND FIELDS

358009 A thin metallic spherical shell contains a charge Q on it. A point charge q is placed at the centre of the shell and another charge q1 is placed outside it as shown in the figure. All the three charges are positive.
The Force on the charge at the centre is
supporting img

1 towards left
2 towards right
3 upward
4 Zero
PHXII01:ELECTRIC CHARGES AND FIELDS

358010 A spherical conductor of radius 10 cm has a charge of 3.2×107C distributed uniformly. What is the magnitude of electric field at a point 15 cm from the centre of the sphere?
(14πε0=9×109Nm2/C2)

1 1.28×105N/C
2 1.28×106N/C
3 1.28×107N/C
4 1.28×104N/C