Q. Which of the following capacitors can be used for temperature compensation ? Air capacitorCeramic capacitorPaper capacitorNone of the above Answer: Ceramic capacitor

Q. While testing a capacitor with ohm meter, if the capacitor shows charging, but the final resistance reading is appreciably less than normal, it can be concluded that the capacitor is short-circuitedopen circuitedalrightleaky Answer: leaky

Q. A mica capacitor and a ceramic capacitor both have the same physical dimensions. Which will have more value of capacitance ? Ceramic capacitorMica capacitorBoth will have identical value of capacitanceIt depends on applied voltage Answer: Ceramic capacitor

Q. What is the value of capacitance that must be connected in parallel with 50 pF condenser to make an equivalent capacitance of 150 pF ? 50 pF100 pF150 pF200 pF Answer: 100 pF

Q. If a 6 uF capacitor is charged to 200 V, the charge in coulombs will be 800 uC900 uC1200 uC1600 uC Answer: 1200 uC

Q. The capacitor preferred for high frequency circuits is air capacitormica capacitorelectrolytic capacitornone of the above Answer: mica capacitor

Q. A capacitor in a circuit became hot and ultimately exploded due to wrong connections, which type of capacitor it could be ? Paper capacitorCeramic capacitorElectrolytic capacitorAny-of the above Answer: Electrolytic capacitor

Q. When 4 volts e.m.f. is applied across a 1 farad capacitor, it will store energy of 2 joules4 joules6 joules8 joules Answer: 8 joules

Q. The capacity of capacitor bank used in power factor correction is expressed in terms of kWkVAkVARvolts Answer: kVAR

Q. Electric field intensity is a quantity scalarvectorboth A. and B.none of the above Answer: vector

Q. The relative permittivity of free space is given by 1101001000 Answer: 1

Q. Energy stored in the electric field of a capacitor C when charged from a D.C source of voltage V is equal to joules CV2C2VCV2CV Answer: CV2