Q. The inverse of capacitance is called reluctanceconductancesusceptanceelastance Answer: elastance

Q. The dielectric constant (relative permittivity) of glass is given by 0.1 to 0.40.5 to 1.02.0 to 4.05 to 100 Answer: 5 to 100

Q. When a dielectric is placed in an electric field the field strength decreasesincreasesreduces to zeroremain unchanged Answer: decreases

Q. capacitors are mainly used for radio frequency tuning. PaperAirMicaElectrolytic Answer: Air

Q. “The surface integral of the normal component of the electric displacement D over any closed surface equals the charge enclosed by the surface”. The above statement is associated with Gauss’s lawKirchhoff s lawFaraday’s lawLenz’s law Answer: Gauss’s law

Q. The units of volume charge density are Coulomb/meterCoulomb/meterCoulomb/meterCoulomb/meter Answer: Coulomb/meter

Q. The force between two charges is 120 N. If the distance between the charges is doubled, the force will be 60 N30 N40 N15 N Answer: 30 N

Q. If 5 J of work is required to shift 10 C charge from one place to another then potential difference is 0.5 V2 V5 V10 V Answer: 0.5 V

Q. The electrostatic force between two charges of one coulomb each and placed at a distance of 0.5 m will be 36 x 10fa36 x 107 N36 x 108 N36 x 109 N Answer: 36 x 109 N

Q. For closer tolerances which of the following capacitors is usually preferred ? Paper capacitorMica capacitorCeramic disc capacitorNone of the above Answer: Mica capacitor