A Charged Particle of Mass $10 ^ { - 26 }$

Multiple Choice

A charged particle of mass $10 ^ { - 26 }$ kg is released in a uniform electric field of 1.3 pN/C. The acceleration of the charge is 9100 m/s $2$ Therefore the charge is

A) 70 pC.
B) 18 pC.
C) 3.5 pC.
D) 40 pC.