Differentiating Electric Potential Energy and Electric Potential

The video tutorial explores the concepts of gravitational and electric potential energy, explaining how energy is stored and converted in different systems. It delves into the calculation of electric potential energy, the role of electric fields, and the distinction between electric potential and electric potential energy. The tutorial emphasizes the importance of these concepts in practical applications, such as circuit design and energy generation.

What type of energy is stored and ready to do work due to gravity?

• Electric potential energy

• Gravitational potential energy

• Thermal energy

• Kinetic energy

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What determines the sign of electric potential energy?

• Whether energy is gained or lost

• Its direction

• The speed of the charge

• The temperature of the charge

What unit is used to measure electric potential energy?

• Watts

• Volts

• Coulombs

• Joules

How is electric potential energy calculated between two charges?

• Multiplying the charges and the distance

• Multiplying the charges and dividing by the distance

• Dividing one charge by the other

• Adding the charges and multiplying by the distance

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What does a negative electric potential energy indicate?

• Work must be done to keep charges apart

• No work is needed to keep charges apart

• Repulsion between charges

• Attraction between charges

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What is electric potential also known as?

• Joule

• Watt

• Voltage

• Coulomb

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How is electric potential different from electric potential energy?

• It is measured in Joules

• It is a vector quantity

• It cannot be negative

• It measures energy per unit charge

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What factor does not affect electric potential at a point?

• The distance from the charge

• The charge creating the potential

• The amount of charge

• The temperature of the environment

How do you calculate the total electric potential at a point from multiple charges?

• By dividing the potentials

• By subtracting the potentials

• By multiplying the potentials

• By adding the potentials

What is the electric potential at a point due to a single charge?

• The distance divided by the charge and Coulomb's constant

• The charge divided by Coulomb's constant and distance

• Coulomb's constant times the charge divided by distance

• Coulomb's constant divided by the charge and distance

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NGSS.HS-PS2-4