MCQOPTIONS
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MCQOPTIONS
This section includes 58 Mcqs, each offering curated multiple-choice questions to sharpen your Electrical Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
The term series opposing means that sources are in series with opposite polarities. |
| A. | 1 |
| B. | |
| C. | 1 |
| D. | |
| Answer» B. | |
| 52. |
A certain series circuit consists of a 1/8 W resistor, a 1/4 W resistor, and a 1/2 W resistor. The total resistance is 1200 . If each resistor is operating in the circuit at its maximum power dissipation, total current flow is |
| A. | 27 mA |
| B. | 2.7 mA |
| C. | 19 mA |
| D. | 190 mA |
| Answer» B. 2.7 mA | |
| 53. |
A series circuit consists of three resistors with values of 120 , 270 , and 330 . The total resistance is |
| A. | less than 120 |
| B. | the average of the values |
| C. | 720 |
| D. | 120 |
| Answer» D. 120 | |
| 54. |
The total resistance of eight 5.6 k resistors in series is |
| A. | 8 |
| B. | 5600 |
| C. | 4480 |
| D. | 44800 |
| Answer» E. | |
| 55. |
A string of five series resistors is connected across a 6 V battery. Zero voltage is measured across all resistors except R3. The voltage across R3 is |
| A. | 0 V |
| B. | 1.2 V |
| C. | 6 V |
| D. | 0.6 V |
| Answer» D. 0.6 V | |
| 56. |
Two resistors are in series: a 5.6 k resistor and a 4.7 k resistor. The voltage drop across the 5.6 k resistor is 10 V. The voltage across the 4.7 k resistor is |
| A. | 8.39 V |
| B. | 10 V |
| C. | 2.32 V |
| D. | 0 V |
| Answer» B. 10 V | |
| 57. |
Which of the following series combinations dissipates the most power when connected across a 120 V source? |
| A. | one 220 resistor |
| B. | two 220 resistors |
| C. | three 220 resistors |
| D. | four 220 resistors |
| Answer» B. two 220 resistors | |
| 58. |
When a fourth resistor is connected in series with three resistors, the total resistance |
| A. | increases by one-fourth |
| B. | increases |
| C. | decreases |
| D. | remains the same |
| Answer» C. decreases | |