<span>a. To find work we need to know force and distance; to find power we need to know force and velocity.</span>
Answer:
A. it is near the inside surface of the balloon
Explanation:
As we can see in the question shown above, the electric charge is distributed on the surface of a spherical conductive envelope, a balloon. This means that the surface of the balloon becomes automatically energized and the regions closest to that surface experience greater electrical force. With this we can affirm that the center of the balloon has a lesser electrical force, since it is the region farthest from the surface.
Based on this, we can say that the particle that is inside the balloon will be subjected to a greater electrical force when it is close to the inner surface of the balloon.
Answer:
Option B. doubles
Explanation:
This can be explained by the definition of capacitance that charge on the capacitor will remain constant irrespective of the voltage applied.
This can be given as:
Q ∝ V or Q = CV
where,
Q = charge
V = Voltage
C = Capacitance
So, when V is doubled, C shoul reduce to half to main constant charge on the capacitor:
V' = 2V
C' =
Also , Energy stored in a capacitor, E is given by:
E = (1)
Now, when
V' = 2V
C' =
Using eqn (1):
E' =
Energy, E' =
E' = = 2E
The gravity in the space shuttle is approximately equal to the gravity on the surface of the earth
Its Resistor, i just took the test.