Electrostatic and Capacitance A positive and a negative charge are initially 50 mm apart. When they are moved close together so that they are now only 10 mm apart, the force between them will be 25 times larger than before 5 times greater than before 5 times smaller than before 10 times greater than before 25 times larger than before 5 times greater than before 5 times smaller than before 10 times greater than before 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? 70.5 ms 352 ms 35 ms 3.5 ms 70.5 ms 352 ms 35 ms 3.5 ms ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance The relative permittivity has the following units F/m m/F no units Wb/m F/m m/F no units Wb/m ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance The phenomenon of an uncharged body getting charged merely by the nearness of a charged body is known as Chemical effect Photoelectric effect Induction Magnetic effect Chemical effect Photoelectric effect Induction Magnetic effect ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance At a point is equal to the negative potential gradient at that point. Electric intensity Electric flux Magnetic flux Magnetic flux density Electric intensity Electric flux Magnetic flux Magnetic flux density ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance Which of the following capacitors is polarized? Plastic-film Mica Ceramic Electrolytic Plastic-film Mica Ceramic Electrolytic ANSWER DOWNLOAD EXAMIANS APP
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