MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In a certain three-branch parallel circuit, R1 has 12 mA through it, R2 has 15 mA through it, and R3 has 25 mA through it. After measuring a total of 27 mA, you can say that |
| A. | R3 is open |
| B. | R1 is open |
| C. | R2 is open |
| D. | the circuit is operating properly |
| Answer» B. R1 is open | |
| 2. |
A 470 resistor, a 220 resistor, and a 100 resistor are all in parallel. The total resistance is approximately |
| A. | 790 |
| B. | 470 |
| C. | 60 |
| D. | 30 |
| Answer» D. 30 | |
| 3. |
An ammeter has an internal resistance of 50 . The meter movement itself can handle up to 1 mA. If 10 mA is applied to the meter, the shunt resistor, RSH1, is approximately |
| A. | 55 |
| B. | 5.5 |
| C. | 50 |
| D. | 9 |
| Answer» C. 50 | |