MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 111 Mcqs, each offering curated multiple-choice questions to sharpen your Electronics knowledge and support exam preparation. Choose a topic below to get started.
| 101. |
In the given circuit, the Thevenin voltage equals 6 V. |
| A. | 1 |
| B. | |
| C. | 1 |
| D. | |
| Answer» B. | |
| 102. |
The current flowing through an unloaded voltage divider is called the: |
| A. | resistor current |
| B. | load current |
| C. | bleeder current |
| D. | voltage current |
| Answer» D. voltage current | |
| 103. |
When a Wheatstone bridge is in a balanced condition, the center voltmeter in the bridge will read: |
| A. | twice the source voltage |
| B. | the same as the source voltage |
| C. | zero volts |
| D. | half the source voltage |
| Answer» D. half the source voltage | |
| 104. |
Components or combinations of components with common currents, in a series–parallel circuit, are in: |
| A. | parallel with each other |
| B. | series with each other |
| C. | either series or parallel with each other |
| D. | none of the above |
| Answer» D. none of the above | |
| 105. |
Which circuit fault do the meter readings in the given figure indicate? |
| A. | The 1 k resistor is open. |
| B. | The 4.7 k resistor is open. |
| C. | The 2.2 k resistor is open. |
| D. | The 3.3 k resistor is open. |
| Answer» C. The 2.2 k resistor is open. | |
| 106. |
The loading effect of a voltmeter can be ignored if ____. |
| A. | the measured voltage is very high |
| B. | the measured voltage is very low |
| C. | the meter's resistance is at least 10 times greater than the resistance across which it is connected |
| D. | the meter's resistance is at least 10 times less than the resistance across which it is connected |
| Answer» D. the meter's resistance is at least 10 times less than the resistance across which it is connected | |
| 107. |
In a series–parallel circuit, individual component power dissipations are calculated using: |
| A. | individual component parameters |
| B. | a percent of the voltage division ratio squared |
| C. | total current squared multiplied by the resistor values |
| D. | a percent of the total power depending on resistor ratios |
| Answer» B. a percent of the voltage division ratio squared | |
| 108. |
When placed into a circuit, how are electronic components usually connected? |
| A. | positive terminal to positive terminal |
| B. | in parallel |
| C. | as a combination of series and parallel |
| D. | in series |
| Answer» D. in series | |
| 109. |
If the load in the given circuit is 120 k , what is the loaded output voltage? |
| A. | 4.21 V |
| B. | 15.79 V |
| C. | 16 V |
| D. | 19.67 V |
| Answer» C. 16 V | |
| 110. |
What is the power dissipated by R2, R4, and R6? |
| A. | P2 = 417 mW, P4 = 193 mW, P6 = 166 mW |
| B. | P2 = 407 mW, P4 = 183 mW, P6 = 156 mW |
| C. | P2 = 397 mW, P4 = 173 mW, P6 = 146 mW |
| D. | P2 = 387 mW, P4 = 163 mW, P6 = 136 mW |
| Answer» B. P2 = 407 mW, P4 = 183 mW, P6 = 156 mW | |
| 111. |
What theorem replaces a complex network with an equivalent circuit containing a source voltage and a series resistance? |
| A. | Multinetwork |
| B. | Norton |
| C. | Thevenin |
| D. | Superposition |
| Answer» D. Superposition | |