Electric Circuits Which of following capacitors preferred for high frequency circuits? Mica capacitor. Electrolytic capacitor. Glass capacitor. Air capacitor. Mica capacitor. Electrolytic capacitor. Glass capacitor. Air capacitor. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The capacitance of a parallel plate capacitor can be varied by changing the overlapping area of the plates only. All of these changing the dielectric medium only. changing the distance between the plates only. changing the overlapping area of the plates only. All of these changing the dielectric medium only. changing the distance between the plates only. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits From the given figure find the R3 25 mega ohm 25 mili ohm 25 kilo ohm 25 ohm 25 mega ohm 25 mili ohm 25 kilo ohm 25 ohm ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A capacitor is connected to supply with switch and the switch is connected between capacitor and supply. Initially switch is open at time zero, and then switch is closed. Then how capacitor behaves at time t = 0+? dielectric losses decreases. dielectric losses increases. open circuit. short circuit. dielectric losses decreases. dielectric losses increases. open circuit. short circuit. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In which braking back emf exceeds supply voltage? None of these. Regenerative. Dynamic. Plugging. None of these. Regenerative. Dynamic. Plugging. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A cube of material of side 1 cm has a resistance of 0.002 Ω between its opposite faces. If the same volume of the material has a length of 4 cm and a uniform cross - section, the resistance of this length will be 0.032 Ω. 0.128 Ω. 0.064 Ω. 0.016 Ω. 0.032 Ω. 0.128 Ω. 0.064 Ω. 0.016 Ω. ANSWER DOWNLOAD EXAMIANS APP