1.What is the unit of electrical power?
A) Ampere
B) Volt
C) Watt
D) Ohm
Answer: C) Watt
2.What is the formula for Ohm's Law?
A) V = I * R
B) I = V * R
C) R = V / I
D) P = V * I
Answer: A) V = I * R
3.What is the purpose of a diode in an electrical circuit?
A) To increase the voltage
B) To decrease the current
C) To allow current to flow in one direction only
D) To increase the resistance
Answer: C) To allow current to flow in one direction only
4.What is the purpose of a capacitor in an electrical circuit?
A) To store electrical energy
B) To regulate the voltage
C) To control the frequency
D) To increase the current
Answer: A) To store electrical energy
5.What is the purpose of an inductor in an electrical circuit?
A) To store electrical energy
B) To regulate the voltage
C) To control the frequency
D) To increase the current
Answer: C) To control the frequency
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