A Uniform Circular Ring Has Charge Q = 7 $\mu$ C,and Radius R = 3

question 40

Multiple Choice

A uniform circular ring has charge Q = 7.36 $\mu$ C,and radius r = 3.33 cm.Calculate the magnitude of the electric field at a distance of 4.20 cm along the axis of the ring.

• A)1.81 \(\times\) 10¹ N/C
• B)6.52 N/C
• C)1.44 \(\times\) 10⁷ N/C
• D)1.44 \(\times\) 10¹ N/C
• E)1.81 \(\times\) 10⁷ N/C