
Understanding Basic Electrical Concepts
Quiz
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Other
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12th Grade
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Practice Problem
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Medium
MOHD SALLEH
Used 2+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How to express the Ohm's Law mathematically?
V = R / I
I = V + R
V = I * R.
R = V - I
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a series circuit, how does the total resistance compare to individual resistances?
The total resistance is less than the smallest individual resistance.
The total resistance is greater than the individual resistances.
The total resistance is the same as the largest individual resistance.
The total resistance is equal to the largest individual resistance.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula for calculating total resistance in a parallel circuit?
R_total = R1 - R2 - R3 - ... - Rn
R_total = R1 + R2 + R3 + ... + Rn
R_total = R1 * R2 * R3 * ... * Rn
1/R_total = 1/R1 + 1/R2 + 1/R3 + ... + 1/Rn
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Name three ideal basic circuit elements.
Transformer, Diode, Switch
Battery, Fuse, Circuit Breaker
Resistor, Capacitor, Current Source
Transistor, Relay, Voltage Regulator
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the principle of energy conversion in electrical systems?
The principle of energy conversion in electrical systems is the transformation of energy from one form to another, such as mechanical to electrical or electrical to mechanical.
Energy conversion only occurs in thermal systems.
Electrical systems do not involve energy transformation.
Energy conversion is limited to chemical reactions.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does voltage differ in series and parallel circuits?
In series, voltage is divided; in parallel, voltage is the same across all components.
In series, voltage increases with each component; in parallel, it decreases.
In series, voltage remains constant; in parallel, it is divided.
In series, voltage is the same across all components; in parallel, it is divided.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the total current in a parallel circuit when more branches are added?
The total current increases.
The total current decreases.
The total current remains the same.
The total current fluctuates randomly.
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