Physics 12 Mr. Jean October 28 th, 2013. The plan: Video clip of the day Unbalanced Charges Law of cosine review Electric Field Potential.

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Presentation transcript:

Physics 12 Mr. Jean October 28 th, 2013

The plan: Video clip of the day Unbalanced Charges Law of cosine review Electric Field Potential

Unbalanced Charges and Fields: Let’s say that we have two positive charges with one being stronger than the other.

Unbalanced Charges and Fields: Let’s say that we have two negative charges with one being stronger than the other.

Unbalanced Charges and Fields: Let’s say that we have two charges. A weak positive charge and a stronger negative charge.

Unbalanced Charges and Fields: Let’s say that we have two charges a strong positive charge and a weaker negative charge.

Example #2: A charge of +6.8  C is 8.2 cm to the left of a charge of –5.4  C. Determine the location of any points that are collinear with the two charges and have zero electric potential difference.

2) Zero Electric Potential

Point #1: Between the Charges

Point #2: To the Right of the Negative Charge

Where else: Positive & Negative Infinity Why? Remember field intensity decreases with distance. In general, the more distance, the less the effect/influence from a static point charge.

Chapter #14 Pre-test Work on the chapter #14 –Work on practice questions –Work on chapter 15 definitions sheet

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