Two point charges are separated by a distance of 10 cm. Charge on point A =+9 μC and charge on point B = -4 μC.

[k = 9 x 10⁹ Nm²C⁻², 1 μC = 10⁻⁶ C]

What is the electric potential energy between these two charges?

• 3.24 J

• 5.54 J

• 7.23 J

• 6.45 J

. 

Calculate the Electric Potential of a +7.8 x 10⁹ C charge with Electric Potential Energy of 750 J

• 6.5 x 10^-7 V

• 9.6 x 10^-3 V

• 9.6 x 10^-8 V

• 8.7 x 10⁹ V

Q. 

What is the Electric Potential Energy of a 6.7 x 10⁹ C charge with an Electric Potential of 240 V?

• 1.61 x 10¹² J

• 1.34 x 10¹¹ J

• 2.42 x 10¹² J

• 2.7 x 10¹¹ J

As a proton moves in the direction the electric field lines...

• it is moving from low potential to high potential and gaining electric potential energy.

• it is moving from high potential to low potential and gaining electric potential energy.

• it is moving from low potential to high potential and losing electric potential energy.

• it is moving from high potential to low potential and losing electric potential energy.

Electric potential ____________ as distance increases.

• Increases

• Decreases

• Remains Constant

• is 0

The magnitude of electric potential is ______ at an infinite distance.

• 0

• positive infinity

• 200

• negative infinity

Q. Q_A and Q_B are two charges creating an electric field. Based on the electric field lines, we can conclude

• Q_A and Q_B are both positive

• Q_A is positive and Q_B is negative

• Q_A and Q_B are both negative

__________ is stored energy.

• Kinetic Energy

• All of the above

• None of the above

• Potential Energy

If two balloons have the same charge, what will happen if you place them close to each other?

• They will be attracted

• They will pop

• They will push each other away.

• Nothing

Electric potential and electric potential energy are NOT the same.

• TRUE

• FALSE