Resistances of 75 ohms, 1.2 megaohms, 330,000 ohms, 0.5 megaohms, 1.5 kilo ohms and 0.8 kilohms are

Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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  1. Resistances of 75 ohms, 1.2 megaohms, 330,000 ohms, 0.5 megaohms, 1.5 kilo ohms and 0.8 kilohms are connected in series. Calculate the total resistance.

           

  1. 2.032375 M ohms
  2. 2032375 ohms
  3. 375 K ohms
  4. all of the above

 

  1. Which of the following statements is true of a series circuit?

 

  1. The voltage drop is the same across each resistance
  2. The total current is the same through each resistance.
  3. The current varies through each resistance
  4. All resistances must be equal.

 

  1. Refer to the circuit of Fig. 3

 

  1. The voltage drops across R1, R2, R3 and R4 are equal.
  2. The sum of the voltage drops across R1 and R2 is greater than the sum of the drops across R3 and R4.
  3. The current through R3 and R4 is greater than the current through R1 and R2.
  4. The sum of the voltage drops across R1, 2, R3, and R4 is equal to 25 Vdc.

 

  1. Which of the following statements is true of a shorted component in a series circuit?

 

  1. The resistance of the component will be higher than normal.
  2. The voltage drop across the component will be higher than normal.
  3. The current through the component will be lower than normal.
  4. The voltage drop across the component will be lower than normal.

 

  1. Which of the following statements is true of an open component in a series circuit?
  2. The circuit current will be higher than normal.
  3. The voltage drop across the component will be lower than normal.
  4. The voltage drop across the component will be higher than normal.
  5. The resistance of the component will be lower than normal.

 

  1. An automobile radio draws 800 mAdc when operated from a 12 V battery. What is the total resistance presented by the radio to the car battery?

 

  1. 15 ohms
  2. 6 ohms
  3. 6 ohms
  4. 6 K ohms
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