
Understanding Parallel Resistors

Interactive Video
•
Physics, Mathematics
•
8th - 12th Grade
•
Medium
+2
Standards-aligned

Jackson Turner
Used 3+ times
FREE Resource
Standards-aligned
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main characteristic of resistors connected in parallel?
They are connected in series.
They have different nodes.
They share the same voltage.
They share the same current.
Tags
CCSS.7.NS.A.2C
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which formula represents the equivalent resistance of two parallel resistors?
R_parallel = 1 / (R1 + R2)
R_parallel = R1 / R2
R_parallel = R1 * R2 / (R1 + R2)
R_parallel = R1 + R2
Tags
CCSS.HSA.APR.D.7
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the least common denominator used in the algebraic manipulation of the parallel resistor formula?
R1 + R2
R1 * R2
R2 / R1
R1 / R2
Tags
CCSS.8.EE.C.7B
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which expression is easier to remember for calculating parallel resistance?
R_parallel = 1 / (R1 + R2)
R_parallel = R1 * R2 / (R1 + R2)
R_parallel = R1 / R2
R_parallel = R1 + R2
Tags
CCSS.8.EE.C.7B
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the reciprocal of the sum of the reciprocals of two resistors in parallel?
The difference of the resistors.
The equivalent resistance.
The product of the resistors.
The sum of the resistors.
Tags
CCSS.7.RP.A.3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the example calculation, what is the equivalent resistance of a 1000 ohm and a 4000 ohm resistor in parallel?
1000 ohms
4000 ohms
800 ohms
5000 ohms
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is the equivalent resistance in parallel always smaller than the smallest resistor?
Because the resistors are in series.
Because there are multiple paths for current.
Because the resistors have the same value.
Because the voltage is different.
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