MCQOPTIONS
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This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Network Theory knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
A voltmeter has a sensitivity of 1000 /V reads 200 V on its 300 V scale. When connected across an unknown resistor in series with a millimeter, it reads 10 mA. The error due to the loading effect of the voltmeter is |
| A. | 3.33% |
| B. | 6.67% |
| C. | 13.34% |
| D. | 13.67% |
| Answer» C. 13.34% | |
| 2. |
A 200 A ammeter has an internal resistance of 200 . The range is to be extended to 500 A. The shunt required is of resistance __________ |
| A. | 20.0 |
| B. | 22.22 |
| C. | 25.0 |
| D. | 50.0 |
| Answer» D. 50.0 | |
| 3. |
The energy required to charge a 10 F capacitor to 100 V is ____________ |
| A. | 0.01 J |
| B. | 0.05 J |
| C. | 5 X 10<sup>-9</sup> J |
| D. | 10 X 10<sup>-9</sup> J |
| Answer» C. 5 X 10<sup>-9</sup> J | |
| 4. |
Consider a circuit having a charge of 600 C, which is delivered to 100 V source in a 1 minute. The value of Voltage source V is ___________ |
| A. | 30 V |
| B. | 60 V |
| C. | 120 V |
| D. | 240 V |
| Answer» E. | |
| 5. |
Given that, R1 = 36 and R2 = 75 , each having tolerance of 5% are connected in series. The value of resultant resistance is ___________ |
| A. | 111 0 |
| B. | 111 2.77 |
| C. | 111 5.55 |
| D. | 111 7.23 |
| Answer» D. 111 7.23 | |
| 6. |
A particular electric current is made up of two components a 10 A, a sine wave of peak value 14.14 A. The average value of electric current is __________ |
| A. | 0 |
| B. | 24.14 A |
| C. | 10 A |
| D. | 14.14 A |
| Answer» D. 14.14 A | |
| 7. |
Consider a circuit having resistance 10 k , excited by voltage 5 V and an ideal switch S. If the switch is repeatedly closed for 2 ms and opened for 2 ms, the average value of i(t) is ____________ |
| A. | 0.25 mA |
| B. | 0.35 mA |
| C. | 0.125 mA |
| D. | 1 mA |
| Answer» D. 1 mA | |
| 8. |
The linear circuit element among the following is ___________ |
| A. | Capacitor |
| B. | Inductor |
| C. | Resistor |
| D. | Inductor & Capacitor |
| Answer» D. Inductor & Capacitor | |
| 9. |
A voltage waveform V(t) = 12t2 is applied across a 1 H inductor for t 0, with initial electric current through it being zero. The electric current through the inductor for t 0 is given by __________ |
| A. | 12 t |
| B. | 24 t |
| C. | 12 t<sup>3</sup> |
| D. | 4 t<sup>3</sup> |
| Answer» E. | |
| 10. |
A network contains linear resistors and ideal voltage source S. If all the resistors are made twice their initial value, then voltage across each resistor is __________ |
| A. | Halved |
| B. | Doubled |
| C. | Increases by 2 times |
| D. | Remains same |
| Answer» E. | |