A Charge of +3 $\mu$ C Is Distributed Uniformly Along the Circumference of a Circle

question 6

Multiple Choice

A charge of +3.0 $\mu$ C is distributed uniformly along the circumference of a circle with a radius of 20 cm.How much external energy is required to bring a charge of 25 $\mu$ C from infinity to the centre of the circle?

• A)5.4 J
• B)3.4 J
• C)4.3 J
• D)2.7 J
• E)6.8 J

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Injury

Physical harm or damage to someone's body caused by an accident or violence.

Lofstrand/Canadian

Refers to a specific type of crutches with forearm support, commonly used in Canada.

Forearm Crutch

A type of support device used to assist with walking, which is held and supported by the forearm.

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Assistive devices used to transfer weight from the legs to the upper body during walking, typically used when a person is unable to use their legs fully.