E) along pogrivex ons f om A) only regions X and Z 8) only region X C) only regi
ID: 1581498 • Letter: E
Question
E) along pogrivex ons f om A) only regions X and Z 8) only region X C) only region Y D)only region Z E) all three regions 2 The figure shows three electric charges lobeled Q1 Q2.Q3.and some electric field lines in th region surrounding the charges. What are the signs of the three charges A) Q1 is positive, Q2 is negative, Q3 is positive B) Ql is negative, Q2 is positive, Q3 is negative. C) Qt is positive, Q2 is positive, Q3 is negative. D) All three charges are negative. E) All three charges are positive. 8)A negative charge if free,will tend to move A) from high potential to low potential. B) from low potential to high potential C) toward infinity.Explanation / Answer
6) In region X fields due to q and Q will be of equal magnitude and opposite signs. Hence the electric field due to q will be canceled by the field due to Q. Therefore the field is zero in B) Only region X
7) Electric field lines point away from positive charges and point towards negative charges. Hence
A) Q1 is positive, Q2 is negative, Q3 is positive
8) Negative charges are attracted by positive charge. The region at lower potential has less positive charge and the region with higher potential has more positive charge. Hence the negative charges will tend to move B)from low potential to high potential
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