Electric Circuits: Components & Concepts

AI-generated quiz: Electric Circuits: Components & Concepts

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5
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June 11, 2026
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This quiz contains 5 questions

  1. 1

    Which of the following is the correct mathematical expression of Ohm's Law?

    • AI = V + R
    • BR = VI
    • CV = IR
    • DI = VR
  2. 2

    What is the primary function of a capacitor in an electric circuit?

    • ATo dissipate energy as heat
    • BTo store energy in a magnetic field
    • CTo store electrical energy
    • DTo control the flow of current
  3. 3

    In a series circuit with three resistors (R1, R2, and R3), what is the formula for calculating the total resistance (Rtotal)?

    • ARtotal = R1 / R2 / R3
    • B1/Rtotal = 1/R1 + 1/R2 + 1/R3
    • CRtotal = 1 / (R1 + R2 + R3)
    • DRtotal = R1 + R2 + R3
  4. 4

    According to Kirchhoff's Current Law (KCL), what is true about the currents at a node in a circuit?

    • AThe sum of the voltage drops must equal zero.
    • BThe sum of currents entering a node is less than the sum of currents leaving the node.
    • CThe sum of currents entering a node is equal to the sum of currents leaving the node.
    • DAll currents entering a node must be equal.
  5. 5

    What formula is used to calculate power (P) in an electric circuit, given voltage (V) and current (I)?

    • AP = VI
    • BP = V/I
    • CP = I/V
    • DP = V + I