Electrostatic and Capacitance The electrostatic force between two charges of one coulomb each and placed at a distance of 0.5 m will be 36 x 108 N 36 x 109 N 36 x 10 fa 36 x 107 N 36 x 108 N 36 x 109 N 36 x 10 fa 36 x 107 N ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance A 0.47 µF capacitor is across a 2 kHz sine wave signal source. The capacitive reactance is 0.000169 Ω 170 Ω 1.7 Ω 17 Ω 0.000169 Ω 170 Ω 1.7 Ω 17 Ω ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance Four 0.15 µF capacitors are in parallel. The total capacitance is 0.30 µF 0.15 µF 0.8 µF 0.6 µF 0.30 µF 0.15 µF 0.8 µF 0.6 µF 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 37 42 45 54 37 42 ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance A sine wave voltage is applied across a capacitor. When the frequency of the voltage is decreased, the current Ceases Increases Decreases Remains constant Ceases Increases Decreases Remains constant ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance For making a capacitor, it is better to select a dielectric having High permeability 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 ANSWER DOWNLOAD EXAMIANS APP
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