The electric field intensity just sufficient to balance the earth’s gravitational attraction on an electron will be: (given
A. -5.6 × 10-11N/C
B. -4.8 × 10-15N/C
C. -1.6 × 10-19N/C
D. -3.2 × 10-19N/C
Answer:A
The electric field intensity just sufficient to balance the earth’s gravitational attraction on an electron will be: (given
A. -5.6 × 10-11N/C B. -4.8 × 10-15N/C C. -1.6 × 10-19N/C D. -3.2 × 10-19N/C