Electrical Power and Circuit Analysis
Interactive Video
•
Physics, Mathematics, Science
•
9th - 12th Grade
•
Practice Problem
•
Hard
Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the basic formula for calculating electrical power?
P = I / V
P = V + I
P = V * I
P = V / I
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the formula P = V * I, what does 'V' represent?
Resistance
Power
Current
Voltage
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which formula is derived from Ohm's Law and involves voltage and resistance?
P = V * I
P = V^2 / R
P = V / I
P = I^2 * R
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula for power that uses current and resistance?
P = V * I
P = V / I
P = V^2 / R
P = I^2 * R
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which power formula is applicable only in DC circuits?
None of the above
P = I^2 * R
P = V^2 / R
P = V * I
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a series circuit with two resistors, how is the total resistance calculated?
R_total = R1 * R2
R_total = R1 + R2
R_total = R1 / R2
R_total = R1 - R2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the total voltage in a circuit is 100V and the total resistance is 50 ohms, what is the total current?
3 amps
2 amps
4 amps
1 amp
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