What is the electric potential difference between two points if the potential at point A is 50 volts and at point B is 20 volts?

Understanding Electric Potential Difference

Interactive Video
•
Physics, Science
•
9th - 12th Grade
•
Hard

Lucas Foster
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
50 volts
70 volts
30 volts
20 volts
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
According to Ohm's Law, what is the formula to calculate current?
R = V/I
V = IR
I = V/R
I = VR
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In which direction does conventional current flow?
It does not flow
In any direction
From high to low potential
From low to high potential
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What analogy is used to explain the direction of electric current?
Wind flow
Sound flow
Water flow
Light flow
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the electric potential at point A is -30 volts and at point B is -12 volts, which point has a higher potential?
Cannot be determined
Both are equal
Point B
Point A
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the electric potential difference between points A and B if VA = -30 volts and VB = -12 volts?
18 volts
42 volts
12 volts
30 volts
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Using Ohm's Law, what is the current through a resistor with 18 volts across it and a resistance of 3 ohms?
12 amps
9 amps
6 amps
3 amps
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