A negative charged particle of known magnitude q is placed in a uniform electric field of known strength E. What additional info
1 answer:
Answer:d
Explanation:
Electric field is a region around charged particle where charged particle experience a force .
Magnitude of Force experienced by charged particle is given by
where F=force experienced by charged particle
q=charge of particle
E=strength of electric field
If q and E are given then no additional information is needed to determine the magnitude of force.
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Answer:
The power of the distance is -1.
Explanation:
The equation for the electric potential of a point charge is given by
where V is the electric potential, k is Coulomb's constant (it has a value of with units
), q is the electric charge of the small charge and r is the distance from the charge.
Now, the power of a number is how many times we multiply that number by itself; we see r appears only once in the equation. So we know the power is 1. But we can see in the equation that k and q are divided by r, which means r is the denominator. This means the power of r is negative (-).
Therefore, the power of r is -1.