
Fundamentals of Electronics
Authored by DZULHIZZAM DULAIDI
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University

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is Ohm's Law and how is it expressed mathematically?
R = V - I
I = V + R
Ohm's Law is expressed mathematically as V = I * R.
V = R / I
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a DC circuit, what is the relationship between voltage, current, and resistance?
I = V + R
V = I * R
R = V - I
V = R / I
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the main differences between AC and DC circuits?
AC circuits use batteries; DC circuits use generators.
AC circuits have alternating current; DC circuits have direct current.
AC circuits are used in batteries; DC circuits are used in power plants.
AC circuits have a constant voltage; DC circuits have a variable voltage.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the frequency of an AC signal affect its behavior in a circuit?
The frequency of an AC signal determines the reactance of circuit components, influencing impedance and current flow.
Frequency only affects the voltage level in a circuit.
Higher frequency always results in lower current flow.
The frequency of an AC signal has no effect on circuit behavior.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula for calculating total resistance in a series circuit?
R_total = R1 * R2 * R3 * ... * Rn
R_total = R1 + R2 + R3 + ... + Rn
R_total = R1 - R2 - R3 - ... - Rn
R_total = 1/(1/R1 + 1/R2 + 1/R3 + ... + 1/Rn)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of Kirchhoff's Voltage Law in circuit analysis?
To ensure the sum of voltages in a closed circuit is zero.
To determine the resistance of a circuit component.
To calculate the total current in a circuit.
To measure the power consumption of a circuit.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you calculate the equivalent resistance in a parallel circuit?
R_eq = 1 / (1/R1 + 1/R2 + 1/R3 + ... + 1/Rn)
R_eq = R1 + R2 + R3 + ... + Rn
R_eq = R1 * R2 * R3 * ... * Rn
R_eq = (R1 + R2 + R3 + ... + Rn) / n
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