Electrostatic and Capacitance A sine wave voltage is applied across a capacitor. When the frequency of the voltage is decreased, the current Remains constant Decreases Ceases Increases Remains constant Decreases Ceases Increases ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance For making a capacitor, it is better to select a dielectric having Permittivity same as that of air Low permeability High permeability Permittivity slightly more than that of air Permittivity same as that of air Low permeability High permeability Permittivity slightly more than that of air ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance Voltage applied across a ceramic dielectric produces an electrolytic field 100 times greater than air. What will be the value of dielectric constant ? 50 times 150 times 300 times 100 times 50 times 150 times 300 times 100 times ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance 1 volt/meter is same as 1 newton/meter 1 newton meter 1 meter/coulomb 1 joule/coulomb 1 newton/meter 1 newton meter 1 meter/coulomb 1 joule/coulomb ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance A 0.00022 F capacitor equals how many micro-farads? 22 µF 2,200 µF 22,200 µF 220 µF 22 µF 2,200 µF 22,200 µF 220 µF ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance The number of Faraday tubes of flux passing through a surface in an electric field is called Magnetic flux density Electric flux density Electric intensity Electric flux Magnetic flux density Electric flux density Electric intensity Electric flux ANSWER DOWNLOAD EXAMIANS APP