Q. A parallel plate capacitor is charged and the charging battery is disconnected. Then a dielectric slab is introduced between the plates. The quantity that remains unchanged is________ potential capacity enerey charge Answer: charge
Q. If we measure the intensity of the electric field (E) at various points between the surface and the centre of a uniformly charged spherical conductor we find that the intensity of electric field_________ goes on increasing goes on decreasing is zero at all points remains the same at all points Answer: is zero at
Q. The number of Faraday tubes of flux passing through a surface in an electric field is called electric flux electric flux density magnetic flux density electric charge density Answer: electric flux
Q. at a point is equal to the negative potential gradient at that point Electric intensity Electric flux Magnetic flux Magnetic flux density Answer: Electric intensity
at a point is equal to the negative potential gradient at that point Read More »
Q. Electric displacement is a______quantity. scalar vector both of the above none of the above Answer: vector
Electric displacement is a______quantity Read More »
Q. Electric intensity at any point in an electric field is equal to the at that point. electric flux magnetic flux density potential gradient none of the above Answer: potential gradient
Electric intensity at any point in an electric field is equal to the at that point Read More »
Q. The value of E within the field due to a point charge can be found with the help of Faraday’s laws Kirchhoff s laws Coulomb’s laws none of the above Answer: Coulomb’s laws
The value of E within the field due to a point charge can be found with the help of Read More »
Q. The unit of dielectric strength is given by V/m V2/m m/V m/V2 Answer: V/m
The unit of dielectric strength is given by Read More »
Q. Two infinite parallel plates 10 mm apart have maintained between them a potential difference of 100 V. The acceleration of an electron placed between them is 0.56 x 1015 m/s2 1.5 x 1015 m/s2 1.6 x 1015 m/s2 1.76 x 1015 m/s2 Answer: 1.76 x 1015 m/s2
Q. A capacitor having capacitance of 5 uF is charged to a potential difference of 10,000 V. The energy stored in the capacitor is 50 joules 150 joules 200 joules 250 joules Answer: 250 joules
