3. If a positively charged sphere is taken close to another uncharged sphere then which of the following statements is true? a) Induction and attraction occur simultaneously b) Induction occurs before the attraction c) Attraction occurs before induction d) Attraction or repulsion may occur
Answer: b Explanation: If two bodies are taken close to each other, a positively charged body induces a negative charge on another body and then they attract each other. So, induction occurs before attraction. This phenomenon is also true for magnetic induction.
option B is correct