Understanding Potential Difference

What is the potential difference between points A and B if the potential at A is 2 volts and at B is 5 volts?

• 7 volts

• 3 volts

• 1 volt

• 5 volts

How much work is done to move a charge from infinity to point B if the potential at B is 5 volts?

• 2 joules

• 5 joules

• 3 joules

• 7 joules

If moving a charge from point A to B requires 3 joules of work, what is the potential difference between these points?

• 1 volt

• 4 volts

• 3 volts

• 2 volts

Why is it important to memorize the formula for potential difference?

• It is required for all science subjects.

• It is the only way to pass exams.

• It allows solving most questions even if the concept is abstract.

• It helps in understanding all physics concepts.

What is the potential difference if 30 joules of work is done to move a 6 coulomb charge?

• 3 volts

• 6 volts

• 4 volts

• 5 volts

How much work is needed to move a 2 coulomb charge from point B to A if the potential difference is 3 volts?

• 6 joules

• 5 joules

• 4 joules

• 3 joules

What does a potential difference of 3 volts between points C and D imply?

• 3 joules of work is needed to move 1 coulomb of charge.

• 3 coulombs of charge is moved with 1 joule of work.

• 3 volts is the potential at point C.

• 3 volts is the potential at point D.

If 10 joules of work is done to move 2 coulombs of charge, what is the potential difference?

• 4 volts

• 5 volts

• 3 volts

• 2 volts

What is the formula for calculating potential difference?

• V = W*Q

• V = Q/W

• V = W/Q

• V = Q-W

How does the amount of work done relate to the speed of charge movement?

• Work done is inversely proportional to charge speed.

• More work done means slower charge movement.

• More work done means faster charge movement.

• Work done does not affect charge movement.