AFCAT-EKT EC: Quiz 8

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Question 1

What will be the fraction of the two frequencies of Lissajous figure as shown?

• A1/2
• B2/3
• C1/5
• D5/2

Question 2

In RF Signal Generator, adjusting of generator level is done in:

• AOscillator
• BAmplifier
• CAttenuator
• DControl

Question 3

In a homogeneous isotropic medium gauss law satisfies

• AN'E = ρ / e
• BN'J + ρ = 0
• CN' × H = D
  
• D∫D.ds = ∫∫∫ρdv

Question 4

Which among the following metallic waveguide will have no cutoff frequency?
i)
ii)
iii)

• Aboth ii and iii
• Bboth I and iii
• Conly i
• Donly ii

Question 5

In an pn junction diode, is equal to (v=built in potential)

• A-2.3mV/^oC
• B-3.5 mV/^oC
• C-10.0 mV/^oC
• D2.5 mV/^oC

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