Electrostatic and Capacitance What will happen to an insulating medium if voltage more than the breakdown voltage is applied on it ? 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 It will melt ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance If three 10 uF capacitors are connected in parallel, the net cararitance is 15 uF 30 uF 40 uF 20 uF 15 uF 30 uF 40 uF 20 uF 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 Permittivity slightly more than that of air High permeability Permittivity same as that of air Low permeability Permittivity slightly more than that of air High permeability 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 54 37 42 45 54 37 42 45 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 ? 100 times 50 times 300 times 150 times 100 times 50 times 300 times 150 times ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance A capacitor of 2,000 pF is greater than 0.02 µF 0.0000002 F 0.002 µF 0.0002 µF 0.02 µF 0.0000002 F 0.002 µF 0.0002 µF ANSWER DOWNLOAD EXAMIANS APP
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