Electrostatic and Capacitance The dielectric constant (relative permittivity) of glass is given by 2.0 to 4.0 5 to 100 0.1 to 0.4 0.5 to 1.0 2.0 to 4.0 5 to 100 0.1 to 0.4 0.5 to 1.0 ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance Two series capacitors (one 2 µF, the other of unknown value) are charged from a 24 V source. The 2 µF capacitor is charged to 16 V and the other to 8 V. The value of the unknown capacitor is 1 µF 4 µF 2 µF 8 µF 1 µF 4 µF 2 µF 8 µF ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance The relative permittivity has the following units m/F no units F/m Wb/m m/F no units F/m Wb/m ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance When the voltage across a capacitor is tripled, the stored charge Triples Stays the same Doubles Is cut to one-third Triples Stays the same Doubles Is cut to one-third 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
Electrostatic and Capacitance Three capacitors each of the capacity C are given. The resultant capacity 2/3 C can be obtained by using them all in parallel all in series two in parallel and third in series with this combination two in series and third in parallel across this combination all in parallel all in series two in parallel and third in series with this combination two in series and third in parallel across this combination ANSWER DOWNLOAD EXAMIANS APP