Two large equipotent surfaces are flat and parallel and separated by a relatively small distance compared to their size. One surface is at 25.0 V and the other is at 33.0 V. The surfaces are 1.25 cm apart. What is the magnitude of the electric field midway between the surfaces?
A. 25.0 V/m
B. 29.0 V/m
C. 33.0 V/m
D. 
E. 
D.
You might also like to view...
If your mass, the mass of Earth, and the mass of everything in the solar system were twice as much as it is now, yet everything stayed the same size, your weight on Earth would
A) be the same. B) double. C) quadruple. D) be eight times as much as now. E) none of the above
Running water continues to be the major erosive factor of Mars today
Indicate whether the statement is true or false
If the absolute temperature of an object is tripled, the thermal power radiated by this object (assuming that its emissivity and size are not affected by the temperature change) will
A) increase by a factor of 3. B) increase by a factor of 9. C) increase by a factor of 18. D) increase by a factor of 27. E) increase by a factor of 81.
A steel lift column in a service station is 4.0 m long and 0.20 m in diameter. Young's modulus for steel is 20 × 1010 N/m2. By how much does the column shrink when a 5000-kg truck is on it?
A) 4.7 × 10-7 m B) 8.0 × 10-7 m C) 3.2 × 10-6 m D) 7.8 × 10-6 m E) 3.1 × 10-5 m