
Understanding Electric Power Concepts
Authored by Kristina Caacbay
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12th Grade
Used 1+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is electric power measured in?
ohm
watt
ampere
volt
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Define voltage in terms of electric potential.
Voltage is the total electric potential at a single point.
Voltage is the resistance offered by a conductor.
Voltage is the difference in electric potential between two points.
Voltage is the measure of current flow in a circuit.
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What does current measure in an electrical circuit?
The power consumed by a circuit.
The resistance in a circuit.
The voltage across a circuit.
The flow of electric charge in a circuit.
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
How is resistance defined in electrical terms?
Resistance is the opposition to the flow of electric current, measured in ohms (Ω).
Resistance is the total power consumed by an electrical device.
Resistance is the measure of voltage in a circuit.
Resistance is the speed at which electric current flows.
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is the formula for calculating power?
P = E * t
P = W / t
P = m * a
P = F / d
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is real power and how is it measured?
Real power is the actual power consumed in watts (W).
Real power is the reactive power measured in VAR.
Real power refers to the total power generated.
Real power is measured in volts (V).
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Explain reactive power and its significance.
Reactive power does not affect power quality.
Reactive power is crucial for voltage regulation and the efficient operation of AC power systems.
Reactive power is the same as active power.
Reactive power is only important for DC systems.
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