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Home ‣ Electronics ‣ RLC Circuits and Resonance See What Others Are Saying!
  • Question

  • If the bandwidth of a filter increases:


  • Options
  • A. Q decreases
  • B. the roll-off rate increases
  • C. the half-power frequency decreases
  • D. the center frequency decreases

  • Correct Answer
  • Q decreases 

    • More questions

    • 1. This circuit is a high-pass filter.


    • Options
    • A. True
    • B. False
      • Discuss
    • 2. When a binary word is stored in a memory location of a ROM, the process is called burning in.

    • Options
    • A. True
    • B. False
      • Discuss
    • 3. As additional resistors are connected to a parallel circuit, the total resistance will ___.

    • Options
    • A. increase
    • B. increase by the value of the resistor being connected
    • C. decrease
    • D. remain unchanged
      • Discuss
    • 4. A triac is different from an SCR because ________.

    • Options
    • A. it can handle large current flows
    • B. it can handle large voltages
    • C. the gate signal can turn off the current flow
    • D. it allows current flow in both directions
      • Discuss
    • 5. All digital systems that perform arithmetic operations must indicate _______ and ________ for numbers.

    • Options
    • A. size, base
    • B. sign, magnitude
    • C. sign, base
    • D. magnitude, base
      • Discuss
    • 6. The output voltage of a differentiator goes negative on the falling edge of the input pulse.

    • Options
    • A. True
    • B. False
      • Discuss
    • 7. The process of converting a decimal number to its binary equivalent is called binary conversion.

    • Options
    • A. True
    • B. False
      • Discuss
    • 8. If you borrow from a position that contains a 0, you must borrow from the more significant bit that contains a 1. All 0s up to that point become 1s, and the digit last borrowed from becomes a 0.

    • Options
    • A. True
    • B. False
      • Discuss
    • 9. The total resistance in the circuit is 1.6 kΩ.


    • Options
    • A. True
    • B. False
      • Discuss
    • 10. The carry propagation delay in 4-bit full-adder circuits ____________.

    • Options
    • A. is normally not a consideration because the delays are usually in the nanosecond range
    • B. is cumulative for each stage and limits the speed at which arithmetic operations are performed
    • C. decreases in direct ratio to the total number of full-adder stages
    • D. increases in direct ratio to the total number of full-adder stages, but is not a factor in limiting the speed of arithmetic operations
      • Discuss

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