Electrostatic and Capacitance The potential gradient across the material of low permittivity is than across the material of high permittivity. both (A) and (B) None of these smaller greater both (A) and (B) None of these smaller greater ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance The relative permittivity of free space is given by 100 2 10 1 100 2 10 1 ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance 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 45 54 42 37 45 54 42 37 ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance To prevent the generation of static charges on rubber or flat leather Surface is moistened Oil compound dressing is done Conductive dressing is done Talcum powder is sprayed on the surface Surface is moistened Oil compound dressing is done Conductive dressing is done Talcum powder is sprayed on the surface ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance Which of the following capacitors preferred for high frequency circuits ? None of these Air capacitor Mica capacitor Electrolytic capacitor None of these Air capacitor Mica capacitor Electrolytic capacitor ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance Acharge which when placed in vacuum from an equal and similar charge repels with a force of 9 x 10 N, is known as milli-coulomb coulomb micro-coulomb pico-coulomb milli-coulomb coulomb micro-coulomb pico-coulomb ANSWER DOWNLOAD EXAMIANS APP