Electrostatic and Capacitance A sine wave voltage is applied across a capacitor. When the frequency of the voltage is decreased, the current Ceases Remains constant Decreases Increases Ceases Remains constant Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance What is the value of capacitance that must be connected in parallel with 50 pF condenser to make an equivalent capacitance of 150 pF ? 50 pF 200 pF 100 pF 150 pF 50 pF 200 pF 100 pF 150 pF ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance Capacitors can be used only for D.C. Air Electrolytic Mica Paper Air Electrolytic Mica Paper ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance The direction of electric field due +0 positive charge is . away from the charge both (A) and (B) towards the charge None of these away from the charge both (A) and (B) towards the charge None of these 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 become magnetic 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 ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance For a good 0.05 uF capacitor ohmmeter reading should go quickly to 50 ohm approximately and remain there show low resistance momentarily and back off to a very high resistance show high resistance momentarily and then a very low resistance not move at all go quickly to 50 ohm approximately and remain there show low resistance momentarily and back off to a very high resistance show high resistance momentarily and then a very low resistance not move at all ANSWER DOWNLOAD EXAMIANS APP