| 1 |
The effective value of any sinusoidal alternating current or voltage is |
- A.
- B.
- C.
- D. None of the above
|
| 2 |
The reactance is the ratio of |
- A. V<sub>rms</sub>/I<sub>rms</sub>
- B. V<sub>rms</sub> x I<sub>rms</sub>
- C. I<sub>rms</sub>/V<sub>rms</sub>
- D. V<sub>max</sub> x V<sub>rms</sub>
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| 3 |
In modulation, low frequency signal is known as |
- A. Carrier wave
- B. fluctuated signal
- C. Modulated carrier signal
- D. Modulation signal
|
| 4 |
The peak to peak value of alternating voltage is |
- A. 2V<sub>o</sub>
- B. V<sub>o</sub>
- C.
- D. None of these
|
| 5 |
The sum of positive and negative peak value called. |
- A. R.M.S. value
- B. P-P value
- C. Peak value
- D. Average value
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| 6 |
Power dissipation is a pure inductive or in a pure capacitance circuit is: |
- A. 10<sup>6</sup>
- B. 0
- C. 10<sup>∘</sup>
- D. Maximum
|
| 7 |
In frequency modulation which factor changed. |
- A. Amplitude of charge carriers
- B. Frequency of charge carriers
- C. Amplitude of signal
- D. Frequency of signal
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| 8 |
<span style="font-family: tahoma, Arial, Helvetica, sans-serif; font-size: 12px;">If V<sub>rms</sub> be the root mean square value of emf then its peak to peak value is given by</span> |
|
| 9 |
Direct current can not flow through. |
- A. Inductor
- B. Resistor
- C. Transistor
- D. Capacitor
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| 10 |
In AC system we generate sine wave form because: |
- A. It san be easily draw
- B. It produces least disturbance in electrical circuits
- C. It is nature standard
- D. Other waves cannot be produced easily
|