Electrostatic and Capacitance The potential gradient across the material of low permittivity is than across the material of high permittivity. both (A) and (B) greater smaller None of these both (A) and (B) greater smaller None of these ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance Dielectric constant for mica is nearly 3 to 8 200 100 1 to 2 3 to 8 200 100 1 to 2 ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance A 4.7 MΩ resistor is in series with a 0.015 µF capacitor. The combination is across a 12 V source. How long does it take the capacitor to fully charge? 3.5 ms 352 ms 35 ms 70.5 ms 3.5 ms 352 ms 35 ms 70.5 ms ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance A capacitance of 100 fiF is connected in series with a resistance of 8000 £2. The time constant of the circuit is 0.4 s 0.6 s 0.8 s 1.2 s 0.4 s 0.6 s 0.8 s 1.2 s ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance Which of the following statements is incorrect ? 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 The leakage resistance of ceramic capacitors is generally high A wire cable has distributed capacitance between the conductors ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance To prevent the generation of static charges on rubber or flat leather Surface is moistened Talcum powder is sprayed on the surface Conductive dressing is done Oil compound dressing is done Surface is moistened Talcum powder is sprayed on the surface Conductive dressing is done Oil compound dressing is done ANSWER DOWNLOAD EXAMIANS APP