Electrostatic and Capacitance Two plates of a parallel plate capacitor after being charged from a constant voltage source are separated apart by means of insulated handles, then the Voltage across the plates increases Charge on the capacitor increases Charge on the capacitor decreases Voltage across the plates decreases Voltage across the plates increases Charge on the capacitor increases Charge on the capacitor decreases Voltage across the plates decreases 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 ? 50 times 300 times 100 times 150 times 50 times 300 times 100 times 150 times ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance Which of the following capacitors is polarized? Mica Electrolytic Plastic-film Ceramic Mica Electrolytic Plastic-film Ceramic ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance The electric field intensity at a point situated 4 meters from a point charge is 200 N/C. If the distance is reduced to 2 meters, the field intensity will be 1600 N/C 800 N/C 1200 N/C 2000 N/C 1600 N/C 800 N/C 1200 N/C 2000 N/C ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance An electrolytic capacitor is generally made to provide Variable capacitance Low capacitance Fixed capacitance Large value of capacitance Variable capacitance Low capacitance Fixed capacitance Large value of capacitance ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance Which capacitor will be physically smaller for the same ratings ? Both will be of equal size Paper capacitor Ceramic capacitor None of these Both will be of equal size Paper capacitor Ceramic capacitor None of these ANSWER DOWNLOAD EXAMIANS APP