MCQOPTIONS
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MCQOPTIONS
This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Mechatronics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is the effect on phase shift due to an inductor in AC circuits? |
| A. | Voltage leads the current by 180 degree |
| B. | Voltage leads the current by 90 degree |
| C. | Current leads the voltage by 90 degree |
| D. | Current leads the voltage by 180 degree |
| Answer» C. Current leads the voltage by 90 degree | |
| 2. |
What is the source voltage applied across a loop containing a resistor of 500 ohm and capacitor of 10 microfarads in series when a current of 0.02 ampere flows across the circuit? Given that the voltage drop across capacitor is 2 Volts. |
| A. | 12 Volts |
| B. | 4 Volts |
| C. | 6 Volts |
| D. | 8 Volts |
| Answer» B. 4 Volts | |
| 3. |
The impedance matching is done to match the internal impedance of two different sources. |
| A. | True |
| B. | False |
| Answer» C. | |
| 4. |
What is the reactance due to a capacitor of 0.01 farads when an alternating current of frequency 40 Hertz passes through it? |
| A. | 0.063 ohm |
| B. | 0.398 ohm |
| C. | 0.0063 ohm |
| D. | 0.0703 ohm |
| Answer» C. 0.0063 ohm | |
| 5. |
What is the reactance due to an inductor of 0.01 henry when an alternating current of frequency 40 Hertz passes through it? |
| A. | 3.512 ohm |
| B. | 15.7 ohm |
| C. | 2.512 ohm |
| D. | 14.7 ohm |
| Answer» D. 14.7 ohm | |
| 6. |
What is the source voltage applied across a loop containing a resistor of 100 ohm and capacitor of 15 microfarads in series when a current of 0.05 ampere flows across the circuit? Given that the voltage drop across capacitor is 2 Volts? |
| A. | 7 Volts |
| B. | 4 Volts |
| C. | 6 Volts |
| D. | 8 Volts |
| Answer» B. 4 Volts | |
| 7. |
What is the equivalent capacitance when two capacitors each of 20 microfarads are connected in series? |
| A. | 20 microfarads |
| B. | 30 microfarads |
| C. | 40 microfarads |
| D. | 10 microfarads |
| Answer» E. | |
| 8. |
What is the equivalent Inductance when two Inductors, one of 20 henry and another of 10 henry are connected in parallel? |
| A. | 20 henry |
| B. | 30 henry |
| C. | 15 henry |
| D. | 10 henry |
| Answer» D. 10 henry | |
| 9. |
What is the equivalent Inductance when two Inductors one of 20 henry and another of 15 henry are connected in series? |
| A. | 20 henry |
| B. | 35 henry |
| C. | 40 henry |
| D. | 10 henry |
| Answer» C. 40 henry | |
| 10. |
What is the reactance due to an inductor of 0.05 henry when an alternating current of frequency 50 Hertz passes through it? |
| A. | 16.7 ohm |
| B. | 15.7 ohm |
| C. | 17.7 ohm |
| D. | 14.7 ohm |
| Answer» C. 17.7 ohm | |
| 11. |
What is the reactance due to a capacitor of 0.05 farads when an alternating current of frequency 50 Hertz passes through it? |
| A. | 0.063 ohm |
| B. | 0.63 ohm |
| C. | 0.0063 ohm |
| D. | 0.0703 ohm |
| Answer» B. 0.63 ohm | |
| 12. |
What is the equivalent capacitance when two capacitors each of 20 microfarads are connected in parallel? |
| A. | 20 microfarads |
| B. | 30 microfarads |
| C. | 40 microfarads |
| D. | 10 microfarads |
| Answer» D. 10 microfarads | |
| 13. |
What is the source voltage applied across a loop containing a resistor of 1000 ohm and capacitor of 15 microfarads in series when a current of 0.02 ampere flows across the circuit? Given that the voltage drop across capacitor is 5 Volts? |
| A. | 25 Volts |
| B. | 24 Volts |
| C. | 26 Volts |
| D. | 28 Volts |
| Answer» B. 24 Volts | |
| 14. |
What is the effect on phase shift due to a capacitor in AC circuits? |
| A. | Voltage leads the current by 180 degree |
| B. | Voltage leads the current by 90 degree |
| C. | Current leads the voltage by 90 degree |
| D. | Current leads the voltage by 180 degree |
| Answer» D. Current leads the voltage by 180 degree | |
| 15. |
What is the equivalent capacitance when two capacitors, one of 20 microfarads and another of 10 microfarads are connected in series? |
| A. | 20 microfarads |
| B. | 30 microfarads |
| C. | 15 microfarads |
| D. | 10 microfarads |
| Answer» D. 10 microfarads | |