Electrostatic and Capacitance Which medium has the least dielectric strength ? Paraffin wax Water Air Glass Paraffin wax Water Air Glass ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance If a third equal and similar charge is placed between two equal and similar charges, then this third charge will be in unstable equilibrium move out of the field of influence of the two charges remain in stable equilibrium not be in equilibrium be in unstable equilibrium move out of the field of influence of the two charges remain in stable equilibrium not be in equilibrium ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance For closer tolerances which of the following capacitors is usually preferred ? Paper capacitor None of these Ceramic disc capacitor Mica capacitor Paper capacitor None of these Ceramic disc capacitor Mica capacitor ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance What will happen to an insulating medium if voltage more than the breakdown voltage is applied on it ? It will melt It will get punctured or cracked Its molecular structure will get changed It will become magnetic It will melt It will get punctured or cracked Its molecular structure will get changed It will become magnetic ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance Two infinite parallel plates 10 mm apart have maintained between them a potential difference of 100 V. The acceleration of an electron placed between them is 1.6 x 1015 m/s2 1.76 x 1015 m/s2 0.56 x 1015 m/s2 1.5 x 1015 m/s2 1.6 x 1015 m/s2 1.76 x 1015 m/s2 0.56 x 1015 m/s2 1.5 x 1015 m/s2 ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance For making a capacitor, it is better to select a dielectric having Permittivity slightly more than that of air High permeability Low permeability Permittivity same as that of air Permittivity slightly more than that of air High permeability Low permeability Permittivity same as that of air ANSWER DOWNLOAD EXAMIANS APP
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