Electrostatic and Capacitance A 12 kHz voltage is applied to a 0.33 µF capacitor, and 200 mA of rms current is measured. What is the value of the voltage? 80 V 0.88 V 800 V 8 V 80 V 0.88 V 800 V 8 V ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance The capacitance between two plates increases with shorter plate area and higher applied voltage shorter plate area and shorter distance between them larger plate area, longer distance between plates and higher,applied voltage larger plate area and shorter distance between plates shorter plate area and higher applied voltage shorter plate area and shorter distance between them larger plate area, longer distance between plates and higher,applied voltage larger plate area and shorter distance between plates ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance The dielectric constant (relative permittivity) of glass is given by 0.5 to 1.0 5 to 100 0.1 to 0.4 2.0 to 4.0 0.5 to 1.0 5 to 100 0.1 to 0.4 2.0 to 4.0 ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance If a third equal and similar charge is placed between two equal and similar charges, then this third charge will remain in stable equilibrium move out of the field of influence of the two charges be in unstable equilibrium not be in equilibrium remain in stable equilibrium move out of the field of influence of the two charges be in unstable equilibrium not be in equilibrium 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 ? 150 times 50 times 300 times 100 times 150 times 50 times 300 times 100 times ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance Which of the following statements is incorrect ? The leakage resistance of ceramic capacitors is generally high A wire cable has distributed capacitance between the conductors The stored energy in a capacitor increases with applied voltage The stored energy in a capacitor decreases with reduction in value of capacitance The leakage resistance of ceramic capacitors is generally high A wire cable has distributed capacitance between the conductors The stored energy in a capacitor increases with applied voltage The stored energy in a capacitor decreases with reduction in value of capacitance ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS