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Mdcat-past-papers Quiz

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1201. Square of distance between two point charges. In Coulomb's law the value of constant "K" is:



1202. The relative permittivity of iron is in:



1203. Which of the following quantities is correctly matched to its unit:



1204. What is the increase in force between two charges if the separation between them is decreased by 50 percent:



1205. According to Coulomb's law, what happens to the electrostatic force between the 2-point charges if the distance between them is doubled?



1206. The property due to which a substance attracts or repels other body is called:



1207. Force exerted by unit charge is called:



1208. The concept of electric field lines was introduced by:



1209. If we double the separation between two charges, then Coulomb's force will become:



1210. The dimension of magnetic field strength is same as that of:



1211. NaCl dissolves quickly in water due to:



1212. Electric field strength at position vector r = (-4i + 3j)m caused by point charge q = 5μC placed at origin is:



1213. Force experienced per unit positive charge at a point in an electric field is the definition of:



1214. A point charge has electric field strength E and potential V at some distance. What is the potential at a point where field is E/4?



1215. A charged particle is moving in a uniform electric field. Which quantity has a constant non-zero value?



1216. Electric field intensity inside a hollow charged sphere is:



1217. The formula V = W/qo represents:



1218. Electric intensity between two oppositely charged plates in the middle region is:



1219. Which one of the following is NOT a feature of electric force?



1220. The electric field intensity between two uniform, oppositely charged parallel plates is: