Parallel Plate Capacitors
' is the surface density of charge on either plate. If 'A' is the area of each plate and 'Q' is the charge on either plate, then As the electric intensity is uniform between the plates, the potential difference is given by V = Ed where 'd' is t..
' is the surface density of charge on either plate. If 'A' is the area of each plate and 'Q' is the charge on either plate, then As the electric intensity is uniform between the plates, the potential difference is given by V = Ed where 'd' is t..Capacitance of Parallel Plate with a Dielectric Slab
Clearly: C>C o This is expected because introduction of dielectric slab reduces the electric field and hence potential difference between the plates. Since, charge on capacitor plates is same, capacitance increase..
Clearly: C>C o This is expected because introduction of dielectric slab reduces the electric field and hence potential difference between the plates. Since, charge on capacitor plates is same, capacitance increase..Calculation of a Pressure in a Liquid
Suppose a horizontal area A (m 2 ) is supporting a column of liquid of height h (m) and density d (kgm - 3 ..
Suppose a horizontal area A (m 2 ) is supporting a column of liquid of height h (m) and density d (kgm - 3 ..Which of the following can be calculated only for a cone but not for a..
Which of the following can be calculated only for a cone but not for a cylinder? => volume or base area or curved surface area or slant height..
The angle of a sector is 90 degrees and the radius of the circle is 3 ..
The angle of a sector is 90 degrees and the radius of the circle is 3 cm. Calculate the area of the sector. => 3 π 2 square cm or 9 π 2 square cm or 9 π 4 square cm or 3 π 4 square cm..
The diameter of a circular manhole is 28 in. What is the area of the m..
The diameter of a circular manhole is 28 in. What is the area of the metal plate required to cover the manhole? [Use π = 3.14] => 261.84 in. 2 or 508.14 in. 2 or 464.61 in. 2 or 615.44 in. 2..
The base and the height of a parallelogram are 18 ft and 8 ft. If both..
The base and the height of a parallelogram are 18 ft and 8 ft. If both its base and height are decreased by 50%, then calculate its area. => 46 ft 2 or 86 ft 2 or 48 ft 2 or 36 ft 2..
Which of the following inequalities can be used to calculate the side ..
Which of the following inequalities can be used to calculate the side of an aluminium cube if the cube has a surface area that is greater than 3000 cm 2 ? => a 2 < 3000 or a 2 < 500 or a 2 > 500 or a 2 > 3000..
The base and the height of a parallelogram are 18 cm and 8 cm. If both..
The base and the height of a parallelogram are 18 cm and 8 cm. If both the base and height of the parallelogram are decreased by 50%, then calculate the area of the parallelogram. => 36 cm 2 or 48 cm 2 or 46 cm 2 or 86 cm 2..
The diameter of a circular lawn is 18 m. Calculate its area.[Take π..
The diameter of a circular lawn is 18 m. Calculate its area. [Take π = 3.14.] => 254.34 m 2 or 28.26 m 2 or 1017.36 m 2 or 56.52 m 2..
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