1) In an electrically large loop, an overall length of the loop is equal to ______
a. λ/2
b. λ
c. λ/10
d. λ/50
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Answer
Explanation
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ANSWER: λ
Explanation:
No explanation is available for this question!
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2) What is /are the advantages of using ferrite loops?
A. Increase in Magnetic field intensity
B. Increase in radiation resistance
C. Decrease in Magnetic field intensity
D. Decrease in radiation resistance
a. A & B
b. C & D
c. A & D
d. B & C
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Answer
Explanation
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ANSWER: A & B
Explanation:
No explanation is available for this question!
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3) What would happen if the rms value of induced emf in loop acquires an angle θ = 90°?
a. Wave is incident in direction of plane of the loop with induced maximum voltage
b. Wave is incident normal to plane of the loop with no induced voltage
c. Wave is incident in opposite direction of plane of the loop with minimum voltage
d. None of the above
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Answer
Explanation
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ANSWER: Wave is incident normal to plane of the loop with no induced voltage
Explanation:
No explanation is available for this question!
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4) What is the far-field position of an electric short dipole?
a. Along x-axis
b. Along y-axis
c. Along z-axis
d. Along xy plane
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Answer
Explanation
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ANSWER: Along z-axis
Explanation:
No explanation is available for this question!
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5) If the radius of loop is λ/ 20 in a free space medium,what will be the radiation resistance of 8-turn small circular loop?
a. 0.7883 Ω
b. 50.45 Ω
c. 123.17 Ω
d. 190.01 Ω
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Answer
Explanation
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ANSWER: 123.17 Ω
Explanation:
No explanation is available for this question!
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6) For receiving a particular frequency signal, which tuning component must be used by the loop to form a resonant circuit for tuning to that frequency?
a. Capacitor
b. Inductor
c. Resistor
d. Gyrator
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Answer
Explanation
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ANSWER: Capacitor
Explanation:
No explanation is available for this question!
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7) According to the directivity of a small loop, which value of 'θ' contributes to achieve the maximum value of radiation intensity (Umax)?
a. 0°
b. 90°
c. 180°
d. 270°
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Answer
Explanation
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ANSWER: 90°
Explanation:
No explanation is available for this question!
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8) From the radiation point of view, small loops are _________radiators
a. Poor
b. Good
c. Better
d. Excellent
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Answer
Explanation
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ANSWER: Poor
Explanation:
No explanation is available for this question!
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9) On which factor/s do/does the radiation field of a small loop depend?
a. Shape
b. Area
c. Both a and b
d. None of the above
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Answer
Explanation
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ANSWER: Area
Explanation:
No explanation is available for this question!
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10) In an electrically small loops, the overall length of the loop is ______ one-tenth of a wavelength.
a. Less than
b. Equal to
c. Greater than
d. None of the above
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Answer
Explanation
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ANSWER: Less than
Explanation:
No explanation is available for this question!
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