NEET Last 32 Years Solved 1988 – 2019 Physics and Chemistry Video Solutions
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An electric dipole of moment p is lying along a uniform electric field E. The work done in rotating the dipole by 90o is
18
Aug
An electric dipole of moment p is lying along a uniform electric field E. The work done in rotating the dipole by 90o is An electric dipole of moment p is lying along a uniform electric field E. The work done in rotating the dipole by 90o is August 18, 2020 Category: Chapter 20 - [...]
Three point charges +q,−2q and +q are placed at points (x = 0, y = a, z = 0),(x = 0, y = 0, z = 0) and (x = a, y = 0, z = 0), respectively. The magnitude and direction of the electric dipole moment vector of this charge assembly are
18
Aug
Three point charges +q,−2q and +q are placed at points (x = 0, y = a, z = 0),(x = 0, y = 0, z = 0) and (x = a, y = 0, z = 0), respectively. The magnitude and direction of the electric dipole moment vector of this charge assembly are (x=0 −2q [...]
An electric dipole of moment ‘p’ is placed in an electric field of intensity ‘E’. The dipole acquires a position such that the axis of the dipole makes an angle 0 with the direction of the field. Assuming that the potential energy of the dipole to be zero when θ=900, the torque and the potential energy of the dipole will respectively be
18
Aug
An electric dipole of moment ‘p’ is placed in an electric field of intensity ‘E’. The dipole acquires a position such that the axis of the dipole makes an angle 0 with the direction of the field. Assuming that the potential energy of the dipole to be zero when θ=900, the torque and the potential [...]
An electric dipole is placed at an angle of 30o with an electric field intensity 2×105N/C. It experiences a torque equal to 4Nm. The charge on the dipole, if the dipole length is 2 cm, is
18
Aug
An electric dipole is placed at an angle of 30o with an electric field intensity 2×105N/C. It experiences a torque equal to 4Nm. The charge on the dipole, if the dipole length is 2 cm, is An electric dipole is placed at an angle of 30o with an electric field intensity 2×105N/C. It experiences a [...]
As per this diagram a point charge +q is placed at the origin O. Work done in taking another point charge −Q from the point A [coordinates (0,a)] to another point B [coordinates (a,0)] along the straight path AB is
18
Aug
As per this diagram a point charge +q is placed at the origin O. Work done in taking another point charge −Q from the point A [coordinates (0,a)] to another point B [coordinates (a,0)] along the straight path AB is 0)] along the straight path AB is a)] to another point B [coordinates (a As [...]
Two charges q1 and q2 are placed 30 cm apart, as shown in the figure. A third charge q3 is moved along the arc of a circle of radius 40 cm from C to D. The change in the potential energy of the system is 4πϵ0q3k, where k is
18
Aug
Two charges q1 and q2 are placed 30 cm apart, as shown in the figure. A third charge q3 is moved along the arc of a circle of radius 40 cm from C to D. The change in the potential energy of the system is 4πϵ0q3k, where k is as shown in the figure. A [...]
Charges +q and −q are placed at points A and B respectively which are a distance 2L apart, C is the midpoint between A and B. The work done in moving a charge +Q along the semicircle CRD is:
18
Aug
Charges +q and −q are placed at points A and B respectively which are a distance 2L apart, C is the midpoint between A and B. The work done in moving a charge +Q along the semicircle CRD is: C is the midpoint between A and B. The work done in moving a charge +Q [...]
Three concentric spherical shells have radii a, b and c(a b c) and have surface charge densities +σ,−σ,+σ respectively. If VA,VB and VC denote the potentials of three shells, then for c=a+b, we have
18
Aug
Three concentric spherical shells have radii a, b and c(a b c) and have surface charge densities +σ,−σ,+σ respectively. If VA,VB and VC denote the potentials of three shells, then for c=a+b, we have +σ respectively. If VA −σ b and c(a b c) and have surface charge densities +σ then for c=a+b Three concentric [...]
Four electric charges +q,+q,−q and −q are placed at the corners of a square of side 2L (see figure). The electric potential at point A, midway between the two charges +q and +q, is
18
Aug
Four electric charges +q,+q,−q and −q are placed at the corners of a square of side 2L (see figure). The electric potential at point A, midway between the two charges +q and +q, is -q −q and −q are placed at the corners of a square of side 2L (see figure). The electric potential at [...]
A, B and C are three points in a uniform electric field. The electric potential is
18
Aug
A, B and C are three points in a uniform electric field. The electric potential is A) B and C are three points in a uniform electric field. The electric potential is August 18, 2020 Category: Chapter 20 - Electric Field and Potential , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry [...]