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Exercise"Hold a true friend with both hands."
- (Proverb)
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| 51. |
What is the circuit's impedance?
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Answer: Option E
Explanation:
No answer description available for this question. Let us discuss.
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| 52. |
In an ac circuit, a capacitor and an output resistor are connected in series with an ac signal. What filter action will be the result? |
| A. |
bandpass | B. |
low-pass | | C. |
high-pass | D. |
band-stop |
Answer: Option A
Explanation:
No answer description available for this question. Let us discuss.
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| 53. |
What is the impedance of this circuit?
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Answer: Option B
Explanation:
Impedance Cannot be Directly Measured, We Need to find Xc first.
So,
Xc = 1/2πfC.
Xc = 1/( 2 x 3.14 x 5000 x 0.01 x 10-6 ).
Xc = 3184.7.
Z = Sqrt( Xc2 + R2 ).
Z = Sqrt( 3184.72 + 50002 ).
Z = 5928 Ω.
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| 54. |
What is the reactive power?
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Answer: Option E
Explanation:
No answer description available for this question. Let us discuss.
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| 55. |
A practical capacitor |
| A. |
is a short to dc | | B. |
looks like a capacitor in parallel with a resistor | | C. |
is an open to ac | | D. |
stores energy in a magnetic field |
Answer: Option D
Explanation:
No answer description available for this question. Let us discuss.
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