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
If A.C. voltage is applied to capacitive circuit, the alternating current can flow in the circuit because? Mark as favorite Copy Link varying voltage produces the charging and discharging currents of high peak value charging current can flow discharge current can flow Check Answer
. …… capacitors are used in transistor circuits? Mark as favorite Copy Link Ceramic Air Paper Electrolytic Check Answer
Three capacitors each of the capacity C are given. The resultant capacity 2/3 C can be obtained by using them? Mark as favorite Copy Link all in series all in parallel two in parallel and third in series with this combination two in series and third in parallel across this combination Check Answer
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? Mark as favorite Copy Link 37 42 63 78 Check Answer
The relative permittivity of free space is given by? Mark as favorite Copy Link 1 10 100 1000 Check Answer