Latest Posts

Q. A paper capacitor is usually available in the form of tubesrolled foildiscmeshed plates Answer: rolled foil

Q. A gang condenser is a polarised capacitorvariable capacitorceramic capacitornone of the above Answer: variable capacitor

Q. A capacitor consists of two insulators separated by a conductortwo conductors separated by an insulatortwo insulators onlytwo conductors only Answer: two conductors separated by an insulator

Q. Capacitance increases with increase in plate area and decrease in distance between the platesincrease in plate area and distance between the platesdecrease in plate area and value of applied voltagereduction in plate area and distance between the plates Answer: increase in plate area and ...

Q. When a dielectric slab is introduced in a parallel plate capacitor, the potential difference between plates will remain unchargeddecreaseincreasebecome zero Answer: decrease

Swachh Survekshan Awards 2022 Cleanest City: ✓More than 1 lakh Population: Indore, the city of lakes and palaces, walked away with the Cleanest City title, while Surat was adjudged the second cleanest city, for the second time in a row, Navi Mumbai bagged the third spot. ✓Less than 1 lakh ...

Q. In the case of a lossy capacitor, its series equivalent resistance value will be smallvery smalllargezero Answer: large

Q. The power dissipated in a pure capacitor is zeroproportional to applied voltageproportional to value of capacitanceboth B. and C. above Answer: zero

Q. The sparking between two electrical contacts can be reduced by inserting capacitor in parallel with contactscapacitor in series with each contactresistance in linenone of the above Answer: capacitor in parallel with contacts

Q. Which of the following capacitors has relatively shorter shelf life ? Mica capacitorElectrolytic capacitorCeramic capacitorPaper capacitor Answer: Electrolytic capacitor