Find the electrical potential at 0.25 m from a point charge of 7.0 ?C. (ke = 8.99 × 10^9 N?m2/C2)
a. 3.4 × 10^4 V
b. 2.5 × 10^5 V
c. 3.2 × 10^6 V
d. 3.2 × 10^7 V
e. 3.4 × 10^5 V
b
You might also like to view...
What charge appears on the plates of a 2.00 ?F capacitor when it is charged to
What will be an ideal response?
An initially uncharged 10-?F capacitor is charged by a 10-V battery through a resistance R. The capacitor reaches a potential difference of 4 V in a period of 3 s after the charging began. Find the value of R.
What will be an ideal response?
How many time constants must elapse if an initially charged capacitor is to discharge 55% of its stored energy through a resistor?
A. 0.60 B. 0.46 C. 0.52 D. 0.40 E. 1.1
Magnetic confinement is used in controlled fusion experiments to
a. provide neutrons. b. accelerate nuclei. c. control a plasma. d. excite nuclei into higher energy levels. e. inject energy into nuclei.