Electrostatic and Capacitance A potential of 400 V is applied to a capacitor, the plates of which are 4 mm apart. The strength of electric field is 30 KV/m 100 KV/m 50 KV/m 10 KV/m 30 KV/m 100 KV/m 50 KV/m 10 KV/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 Magnetic effect Induction Photoelectric effect Chemical effect Magnetic effect Induction Photoelectric effect Chemical effect ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance Capacitors can be used only for D.C. Paper Electrolytic Mica Air Paper Electrolytic Mica Air ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance When the voltage across a capacitor is tripled, the stored charge Stays the same Is cut to one-third Triples Doubles Stays the same Is cut to one-third Triples Doubles 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 ? 300 times 50 times 150 times 100 times 300 times 50 times 150 times 100 times ANSWER DOWNLOAD EXAMIANS APP
Electrostatic and Capacitance The minimum value of potential gradient in a cable occurs in insulation uniformly all over conductor outer sheath insulation uniformly all over conductor outer sheath ANSWER DOWNLOAD EXAMIANS APP
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