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Electric Potential for GUJCET: 32 solved questions

Real GUJCET paper questions on electric potential, part of electric potential and capacitance. Each opens with the options, the correct answer and a step-by-step solution. Papers run from 2008 to 2026. No sign-in needed to read them.

What this topic asks

• Relation between field and potential — 11 questions
• Potential of point charges — 7 questions
• Equipotential surfaces and V-r graphs — 7 questions
• Potential of shells and spheres — 4 questions
• Electrostatics of conductors — 3 questions

All 32 questions with solutions

• Consider three concentric metal shells A, B and C having radii a, b and c respectively, as shown in the figur… GUJCET 2009
• A hollow metal sphere of radius 10 cm is charged such that the potential on its surface becomes 80 V. The pot… GUJCET 2011
• The unit of the physical quantity obtained by the line integral of the electric field is . GUJCET 2011
• Electric potential at a point (x, y, z) m in a field is given by V = 5x² volt. Then the electric field at the… GUJCET 2013
• Two metallic spheres having charges q₁ and q₂ and radii a and b respectively are kept far apart and are joine… GUJCET 2013
• Charges of 1 μC are placed at each of the four corners of a square of side 2√2 m. The potential at the point… GUJCET 2015
• A uniform electric field is prevailing in the X-direction in a certain region. The coordinates of points P, Q… GUJCET 2017
• On the axis and on the equator of an electric dipole, for all points _. GUJCET 2018
• A charge Q is placed at the centre of a circle of radius 10 cm. Find the work done in moving a charge q betwe… GUJCET 2023
• Eight charges, each of magnitude q, are placed at the vertices of a cube placed in vacuum. Electric potential… GUJCET 2008
• A radius of spherical charged shell is 10 cm and electric potential on its surface is 100 V, then the potenti… GUJCET 2024
• As shown in figure charges +q, +q, -q and -q are placed on the vertices of square, each side length is 2l. Th… GUJCET 2025
• The potential difference between two plates of parallel plate capacitor is 2 V. As shown in figure electrons… GUJCET 2025
• The total charge on a uniformly charged spherical shell having radius R is Q. Then electric potential at a di… GUJCET 2026
• Charge 1.6×10⁻⁷ C are distributed uniformly over the surface of spherical conductor of radius R. The ratio of… GUJCET 2025
• Two metallic spheres of radii R₁ and R₂ are charged. Now they are brought into contact with each other with a… GSEB Board July 2015
• For a uniform electric field ⃗E = E₀ ̂i, if the electric potential at x = 0 is zero, then the value of the el… GSEB Board July 2016
• The distance between electric charges Q C and 9Q C is 4 m. What is the electric potential at the point on the… GSEB Board July 2017
• The angle between electric field lines and an equipotential surface is . GSEB Board July 2018
• A point P is 40 m away from a 20 μC point charge and 20 m from a 4 μC point charge. The electric potential at… GSEB Board July 2018
• For a uniform electric field ⃗E=E₀ ̂j, if the electric potential at y=0 is zero, then the value of the electr… GSEB Board March 2019
• Equipotential surface through a point is to the electric field at that point. GSEB Board March 2020
• For any charge configuration, the equipotential surface through a point is to the electric field at that poin… GSEB Board July 2021
• The electric potential at a distance due to the charge 4×10⁻⁷ C is 4×10⁴ V. GSEB Board March 2022
• The electric potentials at two points (0, 3) mm and (0, 4) mm in a region where the electric field is ⃗E = 20… GSEB Board March 2022
• The work done to move a unit test charge on an equipotential surface is _. GSEB Board July 2022
• The figure shows the field lines of a positive and a negative charge respectively. Give the signs of the pote… GSEB Board March 2023
• Equipotential surfaces at a very large distance from a collection of charges whose total sum is not zero are… GSEB Board March 2023
• For any charge configuration, the equipotential surface through a point is at that point. GSEB Board July 2023
• The line integral of the electric field along the circumference of a circle of radius r, drawn with a point c… RS Academy GUJCET booklet
• A uniform electric field is prevailing in the Y direction in a certain region. The coordinates of points A, B… RS Academy GUJCET booklet
• A V–x graph for an electric field in the X-direction is shown in the figure. In which region is the magnitude… RS Academy GUJCET booklet