Answer to Question #59025 in Electric Circuits for Emmanuel

Question

The following are true about electric field lines except that they
are drawn such that the magnitude of the field is proportional to the number of lines crossing a unit area perpendicular to the lines
do not intersect one another
are discontinuous and may terminate in a vacuum
give the direction of motion of a unit positive test-charge under the action of the electrostatic force

7 What are the dimensions of the constant k in Coulomb’s law of electrostatics?
ML2T−4T−2A−1
ML2T3A−2
M−2L3T2A−1
ML3T−4A−2