ITE College West Chapter 4: Ohm's Law Electrical System Quiz
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Questions and Answers

What is the formula for Ohm's Law that relates current, voltage, and resistance?

  • I = V x R
  • V = I + R
  • I = V + R
  • V = I x R (correct)
  • In an electric circuit, what does the symbol 'R' represent?

  • Power
  • Current
  • Voltage
  • Resistance (correct)
  • If the resistance in a circuit is 20 ohms and the voltage is 100 volts, what is the current flowing in the circuit?

  • 10 A (correct)
  • 5 A
  • 120 A
  • 80 A
  • Which of the following correctly describes Ohm's Law?

    <p>The ratio of voltage to current is constant</p> Signup and view all the answers

    If a circuit has a voltage of 50V and a current of 2A, what is the resistance of the circuit?

    <p>48Ω</p> Signup and view all the answers

    What happens to the current flowing in a circuit if the resistance is increased while keeping the voltage constant?

    <p>Current decreases</p> Signup and view all the answers

    What is the decimal equivalent of the binary number 110 1111?

    <p>105</p> Signup and view all the answers

    Convert the decimal number 65 to hexadecimal.

    <p>41</p> Signup and view all the answers

    What is the hexadecimal representation of the binary number 1011 0100?

    <p>A6</p> Signup and view all the answers

    Convert the decimal number 97 to binary.

    <p>1110001</p> Signup and view all the answers

    What is the binary equivalent of the hexadecimal number A3?

    <p>10110011</p> Signup and view all the answers

    Convert the decimal number 128 to hexadecimal.

    <p>A0</p> Signup and view all the answers

    What is the hexadecimal representation of the binary number 1110 0110?

    <p>D6</p> Signup and view all the answers

    Convert the decimal number 215 to binary.

    <p>11010111</p> Signup and view all the answers

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