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IP A point charge of mass 0.081 kg and charge +6.77 ?C is

Chapter 20, Problem 96GP

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QUESTION:

A point charge of mass 0.081 kg and charge \(+6.77 \mu C\) is suspended by a thread between the vertical parallel plates of a parallel-plate capacitor, as shown in Figure 20–30.

(a) If the charge deflects to the right of vertical, as indicated in the figure, which of the two plates is at the higher electric potential?

(b) If the angle of deflection is \(22^{\circ}\), and the separation between the plates is 0.025 m, what is the potential difference between the plates?

Equation Transcription:

     

 

Text Transcription:

+6.77 \mu C

22^{\circ}

Questions & Answers

QUESTION:

A point charge of mass 0.081 kg and charge \(+6.77 \mu C\) is suspended by a thread between the vertical parallel plates of a parallel-plate capacitor, as shown in Figure 20–30.

(a) If the charge deflects to the right of vertical, as indicated in the figure, which of the two plates is at the higher electric potential?

(b) If the angle of deflection is \(22^{\circ}\), and the separation between the plates is 0.025 m, what is the potential difference between the plates?

Equation Transcription:

     

 

Text Transcription:

+6.77 \mu C

22^{\circ}

ANSWER:

Solution 96 GP:

Step 1 of 2:-

a)

Here, we have to find which of the two plates is at higher potential.

We know that, the electric field points from positive to negative by convention.

We also know that, potential increases in the opposite direction of the electric field.

So, the positive plate is at a higher potential than the negative plate.

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