The amount of charge a capacitor can store per volt of potential difference is called the capacitance of the capacitor.
<h3>What is the capacitance?</h3>
The capacitance has to do with the amount of charge that is stored by a capacitor. We know that a capacitor is a device that can be used to store electric charges. We have in it, two capacitors separated by a dielectric material.
Hence, the amount of charge a capacitor can store per volt of potential difference is called the capacitance of the capacitor.
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Resistance of a wire is directly proportional to its length and inversely proportional to the square of its radius.
Thus, if the length is doubled, and the radius is halved:
R₂ = 2R₁/(1/2)²
R₂ = 8R₁
Therefore the resistance increases eight times.
Answer:
the impulse experienced by this object is 4 Ns
Explanation:
Given;
mass of the object, m = 3 kg
velocity of the object, v = 4 m/s
resistive force, F = 20 N
duration of impact, t = 0.2 s
The impulse experienced by this object is calculated as follows;
J = F x t
J = 20 x 0.2
J = 4 Ns
Therefore, the impulse experienced by this object is 4 Ns
Mediterranean circulation
The Mediterranean sea is nearly disconnected from the main ocean. There is also less rain or freshwater from rivers supplementing it than evaporation. This causes the sea to have higher salinity of > 38 ppt than the open ocean's 34-36ppt.
Answer:
human potential energy
Explanation:
It is given that, before a ball rolls down a hill, it has gravitational potential energy.
Before a rubber ball bounces away from a surface, it has elastic potential energy.
Human potential energy allows us to throw a ball. While throwing a ball, we have to apply some force by our muscles in order to done some work.Also, we know that the capacity to do work is called energy.
Hence, the correct option is (D) " human potential energy ".
