| 1 |
The highest value reached by the voltage or current is one cycle is called: |
- A. Peak to peak value
- B. Peak value
- C. <div>Instantaneous value</div>
- D. Root mean square value
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| 2 |
In metal detector, we use. |
- A. L-C circuit
- B. R-L circuit
- C. R-C circuit
- D. RLC series circuit
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| 3 |
A resistance frequency the impedance of RLC parallel circuit is. |
- A. Zero
- B. Infinite
- C. Maximum
- D. Minimum
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| 4 |
The condition of resonance is: |
- A. XL = 1/2 Xc
- B. X<sub>L</sub> = X<sub>c</sub>
- C. X<sub>c</sub> = 4<sub>x2</sub>
- D. None of above
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| 5 |
The combined effect of resistance and reactance is knows as. |
- A. Inductance
- B. Conductance
- C. Resistance
- D. Impedance
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| 6 |
Resistance of choke is |
- A. zero
- B. Large
- C. Very small
- D. Infinite
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| 7 |
In A.C circuit through a capacitor which one is: |
- A. Current leads voltage by 90<sup>∘</sup>
- B. Current lags behind voltage by 90<sup>∘</sup>
- C. Both will be in phase
- D. None of above
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| 8 |
The phase difference between the current and voltage at resonce is: |
- A. 0
- B. <span style="color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 16px;">π</span>
- C. -<span style="color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 16px;">π</span>
- D. <span style="color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 16px;">π/2</span>
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| 9 |
In chopke coil the resistance X<sub>L</sub> an resistance R are: |
- A. X<sub>L</sub>=R
- B. X<sub>L</sub><<R
- C. X<sub>L</sub>>>R
- D. X<sub>L</sub>=<span style="color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 16px;">∞</span>
|
| 10 |
The velocity of an oscillating charge as it moves to and fro along a wire is. |
- A. Changing
- B. Constant
- C. Infinite
- D. zero
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