Electric field intensity is a …… quantity? Mark as favorite Copy Link scalar vector both (a) and (b) none of the above Check Answer
When 4 volts e.m.f. is applied across a 1 farad capacitor, it will store energy of? Mark as favorite Copy Link 2 joules 4 joules 6 joules 8 joules Check Answer
In a concentric cable capacitor the diameters of the inner and outer cylinders are 3 and 10 mm respectively. It Er for insulation is 3, find its capacitance per metre? Mark as favorite Copy Link 100 pF 110 pF 118.8 pF 138.8 pF Check Answer
The dielectric constant (relative permittivity) of glass is given by? Mark as favorite Copy Link 0.1 to 0.4 0.5 to 1.0 2.0 to 4.0 5 to 100 Check Answer
The capacity of capacitor bank used in power factor correction is expressed in terms of? Mark as favorite Copy Link kW kVA kVAR volts Check Answer
A paper capacitor is usually available in the form of? Mark as favorite Copy Link tubes rolled foil disc meshed plates Check Answer
A capacitor consists of? Mark as favorite Copy Link two insulators separated by a conductor two conductors separated by an insulator two insulators only two conductors only Check Answer
Which of the following statements is incorrect? Mark as favorite Copy Link The leakage resistance of ceramic capacitors is generally high The stored energy in a capacitor decreases with reduction in value of capacitance The stored energy in a capacitor increases with applied voltage A wire cable has distributed capacitance between the conductors Check Answer
Electric field inside a hollow metallic charged sphere is? Mark as favorite Copy Link increasing towards centre decreasing towards centre zero none of the above Check Answer
While testing a capacitor with ohmmetre, if the capacitor shows charging, but the final resistance reading is appreciably less than normal, it can be concluded that the capacitor? Mark as favorite Copy Link short-circuited open circuited alright leaky Check Answer