MCQOPTIONS
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MCQOPTIONS
This section includes 19 Mcqs, each offering curated multiple-choice questions to sharpen your Electrical Engineering Mcqs knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In a series parallel circuit, individual component power dissipation are calculated using_____________? |
| A. | Individual component parameters |
| B. | A percent of the total power depending on resistor ratios |
| C. | Total current squared multiplied by the resistor values |
| D. | A percent of the voltage division ratio squared |
| Answer» B. A percent of the total power depending on resistor ratios | |
| 2. |
In a series parallel circuit consisting of R1 and R2 in series and connected in parallel with R3, if R1 opens, then R2 s voltage will:___________? |
| A. | Increase |
| B. | Remain the same |
| C. | Decrease |
| D. | Cannot tell |
| Answer» D. Cannot tell | |
| 3. |
A 6 V battery output is divided down to obtain two output voltages. Three 2.2 k resistors are used to provide the two taps. The two output voltages are___________? |
| A. | 2 V, 4 V |
| B. | 2 V, 2 V |
| C. | 2 V, 6 V |
| D. | 4 V, 6 V |
| Answer» B. 2 V, 2 V | |
| 4. |
A certain voltage divider consists of three 1 k resistors in series. Which of the following load resistors will have the least effect on the output voltage? |
| A. | 1 M |
| B. | 100 k |
| C. | 1 k |
| D. | 330 |
| Answer» B. 100 k | |
| 5. |
Two 1.2 k resistors are in series and this series combination is in parallel with a 3.3 k resistor. The total resistance is____________? |
| A. | 138 |
| B. | 1,389 |
| C. | 5,700 |
| D. | 880 |
| Answer» C. 5,700 | |
| 6. |
A certain voltage divider consists of two 12 k resistors in series. Which of the following load resistors will have the most effect on the output voltage? |
| A. | 1 M |
| B. | 24 k |
| C. | 18 k |
| D. | 12 k |
| Answer» E. | |
| 7. |
The parallel combination of a 470 resistor and a 680 resistor is in series with the parallel combination of four 2 k resistors. The total resistance is___________? |
| A. | 1,650 |
| B. | 1,078 |
| C. | 77.8 |
| D. | 778 |
| Answer» E. | |
| 8. |
The parallel combination of a 470 resistor and a 1.5 k resistor is in series with the parallel combination of five 1 k resistors. The source voltage is 50 V. The percentage of the load current through any single 1 K resistor is__________? |
| A. | 25 % |
| B. | 20 % |
| C. | 100 % |
| D. | 50 % |
| Answer» C. 100 % | |
| 9. |
The parallel combination of a 6.8 k resistor and a 10 k resistor is in series with the parallel combination of a 2.2 k resistor and a 1 k resistor. A 100 V source is connected across the circuit. The resistor(s) with the greatest voltage drop is (are)___________? |
| A. | 6.8 k |
| B. | 2.2 k |
| C. | 6.8 k and 10 k |
| D. | 2.2 k and 1 k |
| Answer» D. 2.2 k and 1 k | |
| 10. |
The parallel combination of a 470 resistor and a 1.2 k resistor is in series with the parallel combination of three 3 k resistors. A 200 V source is connected across the circuit. The resistor with the most current has a value of____________? |
| A. | 470 or 1.2 k |
| B. | 3 k |
| C. | 470 |
| D. | 1.2 k |
| Answer» D. 1.2 k | |
| 11. |
A balanced Wheatstone bridge consists of an RV of 3,500 , an R2 of 200 , and an R3 of 680 . The value of RUNK is____________? |
| A. | 680 |
| B. | 1,029 |
| C. | 200 |
| D. | 880 |
| Answer» C. 200 | |
| 12. |
In a certain five-step R/2R ladder network, the smallest resistor value is 1 k . The largest value is___________? |
| A. | Indeterminable |
| B. | 2 k |
| C. | 10 k |
| D. | 20 k |
| Answer» C. 10 k | |
| 13. |
Three 10 k resistors are connected in series. A 20 k resistor is connected in parallel across one of the 10 k resistors. The voltage source is 24 V. The total current in the circuit is___________? |
| A. | 900 A |
| B. | 9 mA |
| C. | 90 mA |
| D. | 800 A |
| Answer» B. 9 mA | |
| 14. |
A voltage divider consists of two 100 k resistors and a 12 V source. What will the output voltage be if a load resistor of 1 M is connected to the output? |
| A. | 0.57 V |
| B. | 6 V |
| C. | 12 V |
| D. | 5.7 V |
| Answer» E. | |
| 15. |
Two 3.3 k resistors are in series and this series combination is in parallel with a 4.7 k resistor. The voltage across one of the 3.3 k resistors is 12 V. The voltage across the 4.7 k resistor is_________? |
| A. | 24 V |
| B. | 12 V |
| C. | 0 V |
| D. | 6 V |
| Answer» B. 12 V | |
| 16. |
A certain circuit is composed of two parallel resistors. The total resistance is 1,403 . One of the resistors is 2 k . The other resistor value is____________? |
| A. | 1,403 |
| B. | 4.7 k |
| C. | 2 k |
| D. | 3,403 |
| Answer» C. 2 k | |
| 17. |
A certain Wheatstone bridge has the following resistor values: R1 = 10 k , R2 = 720 , and R4 = 2.4 k . The unknown resistance is_____________? |
| A. | 24 |
| B. | 2.4 |
| C. | 300 |
| D. | 3,000 |
| Answer» E. | |
| 18. |
A 12 k resistor, a 15 k resistor, and a 22 k resistor are in series with two 10 k resistors that are in parallel. The source voltage is 75 V. Current through the 15 k resistor is approximately___________? |
| A. | 14 mA |
| B. | 1.4 mA |
| C. | 5 mA |
| D. | 50 mA |
| Answer» C. 5 mA | |
| 19. |
A voltage divider consists of two 68 k resistors and a 24 V source. The unknown output voltage is______________? |
| A. | 12 V |
| B. | 24 V |
| C. | 0 V |
| D. | 6 V |
| Answer» B. 24 V | |