A Small 0050-Kg Insulating Sphere Carries a Charge of -60 μC and μC

question 41

Multiple Choice

A small 0.050-kg insulating sphere carries a charge of -60 μC and is hanging by a vertical silk thread from a fixed point in the ceiling.An external uniform vertical electric field is now applied.If the applied electric field has a magnitude of 3000 N/C and is directed downward,what is the tension in the silk thread? (k = 1/4πε₀ = 9.0 × 10⁹ N ∙ m²/C²)

• A)0.19 N
• B)0.31 N
• C)0.41 N
• D)0.52 N
• E)0.71 N

---

Definitions:

Comparative Negligence

A principle of tort law that compares the fault of each party involved in an accident and apportions damages accordingly.

Res Ipsa Loquitur

A legal doctrine that infers negligence from the very nature of an accident or injury, in the absence of direct evidence.

Strict Liability

A legal doctrine holding an individual or entity responsible for damages or injury regardless of fault or intent.

Radioactive Waste

Dangerous by-products of nuclear reactors, nuclear weapon production, and other processes involving radioactive materials, requiring special handling and disposal to protect human health and the environment.