MCQOPTIONS
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MCQOPTIONS
This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Electrical Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
A closed switch has a resistance of_____________? |
| A. | zero |
| B. | about 50 ohms |
| C. | about 500 ohms |
| D. | infinity |
| Answer» B. about 50 ohms | |
| 2. |
A 40 W bulb is connected in series with a room heater. If now 40 W bulb is replaced by 100 W bulb, the heater output will__________ |
| A. | decrease |
| B. | increase |
| C. | remain same |
| D. | heater will burn out |
| Answer» C. remain same | |
| 3. |
A 3 Q resistor having 2 A current will dissipate the power of_______________? |
| A. | 2 watts |
| B. | 4 watts |
| C. | 6 watts |
| D. | 12 watts |
| Answer» E. | |
| 4. |
74. Sparking occurs when a load is switched off because the circuit has high_________? |
| A. | resistance |
| B. | inductance |
| C. | capacitance |
| D. | impedance |
| Answer» C. capacitance | |
| 5. |
1 angstrom is equal to______________? |
| A. | 10-8 mm |
| B. | 10″6 cm |
| C. | 10″10 m |
| D. | 10~14 m |
| Answer» D. 10~14 m | |