Q. is that property of a capacitor which delays any change of voltage across it Inductance Capacitance Potential gradient None of the above Answer: Capacitance
is that property of a capacitor which delays any change of voltage across it Read More »
Q. The time constant and R-C circuit may also be defined as the time during which the charging current falls to ______ percent of its initial maximum value 37 42 63 73 Answer: 37
Q. A capacitance of 100 fiF is connected in series with a resistance of 8000 £2. The time constant of the circuit is 0.2 s 0.4 s 0.6 s 0.8 s Answer: 0.8 s
Q. The time constant of an R-C circuit is defined as the time during which capacitor charging voltage actually rises to ______ percent of its value. 37, initial 62, initial 62, final 37, final Answer: 62, final
Q. As per Coulomb’s law, force of attraction or repulsion between two point charges is directly proportional to sum of the magnitude of charges square of the distance between them product of the magnitude of charges cube of the distance Answer: product of the magnitude of charges
Q. The presence of an uncharged conductor near a charged one increases the charge of the charged conductor capacity of the charged conductor potential of the charged conductor all of the above Answer: capacity of the charged conductor
The presence of an uncharged conductor near a charged one increases the Read More »
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 »
