Figure shows the field lines of a positive point charge. The work done by the field in moving a small positive charge from Q to P is: [1]
A. zero
B. positive
C. negative
D. data insufficient.
Answer:C
Figure shows the field lines of a positive point charge. The work done by the field in moving a small positive charge from Q to P is: [1]
A. zero B. positive C. negative D. data insufficient.
Explanation: In moving a small positive charge from Q to P, work has to be done by an external agency against the electric field. Therefore, work done by the field is negative.