A charge alters the space around it. What is this alteration of space called? Electric ether Electric Force Electric field Charg
1 answer:
Explanation:
A charge alters the space around it. This alteration of space is called the electric field. It is also defined as the electric force acting on a charged particle per unit test charge. It is given by :
Where
F is the electric force,
The direction of electric field is in the direction of electric force. For a positive charge, the direction of electric field lines are outwards and for a negative charge, the direction of field lines are inwards.
Hence, the correct option is (c) "electric field".
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Answer:
<em>a. F = 14 N</em>
<em>b. Since the spheres' charges have different signs, the force is attractive</em>
Explanation:
<u>Coulomb's Law </u>
The electrical force between two charged objects is directly proportional to the product of their charges and inversely proportional to the square of the distance between the two objects.
Written as a formula:
Where:
q1, q2 = the objects' charge
d= The distance between the objects
The spheres A and B have charges of:
The distance is d=15 cm = 0.15 m.
a. The force is now calculated:
F = 14 N
b. The electrostatic force between charges is repulsive if they have like signs, the force between them is attractive if they have opposite signs.
Since the spheres' charges have different signs, the force is attractive