It seems that your question or statement is missing context, as it's not clear what the goal or situation is related to the spheres and the charged rods. Without additional information, I cannot provide an accurate response to which of the options (a, b, c, or d) is the correct action to take.
If you're talking about charging by induction, for instance, the procedure would be different depending on whether you want to induce a positive or negative charge on the spheres and whether they are conductors or insulators.
For example, if the spheres are conductive and you want to induce a negative charge on them by induction, you could:
- Bring the negatively charged rod near, but not touching the left sphere. This will cause electrons to be repelled to the far side of the spheres if they are connected by a conductor.
- While the rod is still in place, disconnect the sphere from the ground (or from the other sphere if they are connected), which will trap excess negative charge.
- Remove the negatively charged rod, and the sphere will retain a negative charge.
For inducing a positive charge:
- Bring a positively charged rod near the left sphere, causing electrons to be attracted toward the rod.
- Ground the right side of the sphere arrangement to allow electrons to flow away from the spheres.
- Disconnect the sphere from the ground while the rod is still in place.
- Remove the positively charged rod, and the sphere will retain a positive charge.
Please provide more details or clarify the scenario, and I will be able to give you a more specific answer.
a.She should place a negatively charged rod near the left sphere.
b.She should place a positively charged rod near the left sphere.
c.She should place two negatively charged rods near each sphere.
d.She should place two positively charged rods near each sphere.
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