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 5 times smaller than before 5 times greater than before 10 times greater than before 25 times larger than before 5 times smaller than before 5 times greater than before 10 times greater than before 25 times larger than before ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance The units of capacitance are Coulomb/volt Hennry Volt/coulomb Hennry/wb Coulomb/volt Hennry Volt/coulomb Hennry/wb 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 300 times 50 times 100 times 150 times 300 times 50 times 100 times ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance The lines of force due to charged particles are sometimes curved always curved None of these always straight sometimes curved always curved None of these always straight 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 Photoelectric effect Induction Chemical effect Magnetic effect Photoelectric effect Induction Chemical effect Magnetic effect ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance Which of the following capacitors is polarized? Electrolytic Mica Ceramic Plastic-film Electrolytic Mica Ceramic Plastic-film ANSWER DOWNLOAD EXAMIANS APP