Charge of uniform surface density (4.0 nC/m2) is distributed on a spherical surface (radius = 2.0 cm). What is the total electric flux through a concentric spherical surface with a radius of 4.0 cm?
a. 2.8 N / m2/C
b. 1.7 N / m2/C
c. 2.3 N / m2/C
d. 4.0 N / m2/C
e. 9.1 N / m2/C
c
You might also like to view...
A series circuit has a 100-? resistor, a 0.100-?F capacitor, and a 2.00-mH inductor connected across a 120 V rms ac source operating at resonant frequency. What is the rms value of the voltage across the inductor?
A) 170 V B) 150 V C) 120 V D) 54.0 V E) 533 V
Series Resonance: An ac circuit has a 100-? resistor in series with a 4.9-?F capacitor and a 700-mH inductor. At what frequency does the circuit act like a pure resistance?
A. 0.29 MHz B. 1.9 MHz C. 12 MHz D. 0.54 kHz E. 86 Hz
The increase of potential energy of the box is 100 J
Indicate whether the statement is true or false
Though Titan has a small mass , it is able to retain an atmosphere because it
a. is very cold. b. is very hot c. has an iron surface. d. attracts gas from the solar wind.