Dipole
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
PHXII02:ELECTROSTATIC POTENTIAL AND CAPACITANCE

359336 Which of the following is not ture?

1 For a point charge, electrostatic potential varies as \(1/r\)
2 For a dipole, the potential depends on the magnitude of position vector and dipole moment vector.
3 The potential of an electric dipole varies as \(\frac{1}{{{r^3}}}\) at large distance.
4 For a point charge, the electrostatic field varies as \(1/{r^2}\)
PHXII02:ELECTROSTATIC POTENTIAL AND CAPACITANCE

359337 The ratio of electric field and potential \((E/V)\) at midpoint of electric dipole, for which separation is \(l\)

1 \(l\)
2 \(2/l\)
3 \(1/l\)
4 None of these
PHXII02:ELECTROSTATIC POTENTIAL AND CAPACITANCE

359338 An electric dipole is placed as shown in the figure.
supporting img
The electric potential \(({\rm{in 1}}{{\rm{0}}^2}V)\) at point \(P\) due to the dipole is \({\rm{(}}{ \in _0} = \) permittivity of free space and \(\frac{1}{{4\pi { \in _0}}} = K)\):

1 \(\left(\dfrac{5}{8}\right) q K\)
2 \(\left(\dfrac{8}{5}\right) q K\)
3 \(\left(\dfrac{8}{3}\right) q K\)
4 \(\left(\dfrac{3}{8}\right) q K\)
PHXII02:ELECTROSTATIC POTENTIAL AND CAPACITANCE

359339 Read the Assertion and Reason carefully to mark the correct options given below:
Assertion :
The potential \({(V)}\) at any axial point, at \({2 m}\) distance \({(r)}\) from the centre of the dipole of dipole moment vector \({\vec{P}}\) of magnitude, \({4 \times 10^{-6} {Cm}}\), is \({\pm 9 \times 10^{3} {~V}}\).
(Take \({\dfrac{1}{4 \pi \epsilon_{0}}=9 \times 10^{9}}\) SI units)
Reason :
\({V= \pm \dfrac{2 P}{4 \pi \epsilon_{0} r^{2}}}\), where \({r}\) is the distance of any axial point, situated at \(2\,m\) from the centre of the dipole.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
PHXII02:ELECTROSTATIC POTENTIAL AND CAPACITANCE

359336 Which of the following is not ture?

1 For a point charge, electrostatic potential varies as \(1/r\)
2 For a dipole, the potential depends on the magnitude of position vector and dipole moment vector.
3 The potential of an electric dipole varies as \(\frac{1}{{{r^3}}}\) at large distance.
4 For a point charge, the electrostatic field varies as \(1/{r^2}\)
PHXII02:ELECTROSTATIC POTENTIAL AND CAPACITANCE

359337 The ratio of electric field and potential \((E/V)\) at midpoint of electric dipole, for which separation is \(l\)

1 \(l\)
2 \(2/l\)
3 \(1/l\)
4 None of these
PHXII02:ELECTROSTATIC POTENTIAL AND CAPACITANCE

359338 An electric dipole is placed as shown in the figure.
supporting img
The electric potential \(({\rm{in 1}}{{\rm{0}}^2}V)\) at point \(P\) due to the dipole is \({\rm{(}}{ \in _0} = \) permittivity of free space and \(\frac{1}{{4\pi { \in _0}}} = K)\):

1 \(\left(\dfrac{5}{8}\right) q K\)
2 \(\left(\dfrac{8}{5}\right) q K\)
3 \(\left(\dfrac{8}{3}\right) q K\)
4 \(\left(\dfrac{3}{8}\right) q K\)
PHXII02:ELECTROSTATIC POTENTIAL AND CAPACITANCE

359339 Read the Assertion and Reason carefully to mark the correct options given below:
Assertion :
The potential \({(V)}\) at any axial point, at \({2 m}\) distance \({(r)}\) from the centre of the dipole of dipole moment vector \({\vec{P}}\) of magnitude, \({4 \times 10^{-6} {Cm}}\), is \({\pm 9 \times 10^{3} {~V}}\).
(Take \({\dfrac{1}{4 \pi \epsilon_{0}}=9 \times 10^{9}}\) SI units)
Reason :
\({V= \pm \dfrac{2 P}{4 \pi \epsilon_{0} r^{2}}}\), where \({r}\) is the distance of any axial point, situated at \(2\,m\) from the centre of the dipole.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
PHXII02:ELECTROSTATIC POTENTIAL AND CAPACITANCE

359336 Which of the following is not ture?

1 For a point charge, electrostatic potential varies as \(1/r\)
2 For a dipole, the potential depends on the magnitude of position vector and dipole moment vector.
3 The potential of an electric dipole varies as \(\frac{1}{{{r^3}}}\) at large distance.
4 For a point charge, the electrostatic field varies as \(1/{r^2}\)
PHXII02:ELECTROSTATIC POTENTIAL AND CAPACITANCE

359337 The ratio of electric field and potential \((E/V)\) at midpoint of electric dipole, for which separation is \(l\)

1 \(l\)
2 \(2/l\)
3 \(1/l\)
4 None of these
PHXII02:ELECTROSTATIC POTENTIAL AND CAPACITANCE

359338 An electric dipole is placed as shown in the figure.
supporting img
The electric potential \(({\rm{in 1}}{{\rm{0}}^2}V)\) at point \(P\) due to the dipole is \({\rm{(}}{ \in _0} = \) permittivity of free space and \(\frac{1}{{4\pi { \in _0}}} = K)\):

1 \(\left(\dfrac{5}{8}\right) q K\)
2 \(\left(\dfrac{8}{5}\right) q K\)
3 \(\left(\dfrac{8}{3}\right) q K\)
4 \(\left(\dfrac{3}{8}\right) q K\)
PHXII02:ELECTROSTATIC POTENTIAL AND CAPACITANCE

359339 Read the Assertion and Reason carefully to mark the correct options given below:
Assertion :
The potential \({(V)}\) at any axial point, at \({2 m}\) distance \({(r)}\) from the centre of the dipole of dipole moment vector \({\vec{P}}\) of magnitude, \({4 \times 10^{-6} {Cm}}\), is \({\pm 9 \times 10^{3} {~V}}\).
(Take \({\dfrac{1}{4 \pi \epsilon_{0}}=9 \times 10^{9}}\) SI units)
Reason :
\({V= \pm \dfrac{2 P}{4 \pi \epsilon_{0} r^{2}}}\), where \({r}\) is the distance of any axial point, situated at \(2\,m\) from the centre of the dipole.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
PHXII02:ELECTROSTATIC POTENTIAL AND CAPACITANCE

359336 Which of the following is not ture?

1 For a point charge, electrostatic potential varies as \(1/r\)
2 For a dipole, the potential depends on the magnitude of position vector and dipole moment vector.
3 The potential of an electric dipole varies as \(\frac{1}{{{r^3}}}\) at large distance.
4 For a point charge, the electrostatic field varies as \(1/{r^2}\)
PHXII02:ELECTROSTATIC POTENTIAL AND CAPACITANCE

359337 The ratio of electric field and potential \((E/V)\) at midpoint of electric dipole, for which separation is \(l\)

1 \(l\)
2 \(2/l\)
3 \(1/l\)
4 None of these
PHXII02:ELECTROSTATIC POTENTIAL AND CAPACITANCE

359338 An electric dipole is placed as shown in the figure.
supporting img
The electric potential \(({\rm{in 1}}{{\rm{0}}^2}V)\) at point \(P\) due to the dipole is \({\rm{(}}{ \in _0} = \) permittivity of free space and \(\frac{1}{{4\pi { \in _0}}} = K)\):

1 \(\left(\dfrac{5}{8}\right) q K\)
2 \(\left(\dfrac{8}{5}\right) q K\)
3 \(\left(\dfrac{8}{3}\right) q K\)
4 \(\left(\dfrac{3}{8}\right) q K\)
PHXII02:ELECTROSTATIC POTENTIAL AND CAPACITANCE

359339 Read the Assertion and Reason carefully to mark the correct options given below:
Assertion :
The potential \({(V)}\) at any axial point, at \({2 m}\) distance \({(r)}\) from the centre of the dipole of dipole moment vector \({\vec{P}}\) of magnitude, \({4 \times 10^{-6} {Cm}}\), is \({\pm 9 \times 10^{3} {~V}}\).
(Take \({\dfrac{1}{4 \pi \epsilon_{0}}=9 \times 10^{9}}\) SI units)
Reason :
\({V= \pm \dfrac{2 P}{4 \pi \epsilon_{0} r^{2}}}\), where \({r}\) is the distance of any axial point, situated at \(2\,m\) from the centre of the dipole.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.