iCON Education - Communication Systems AIIMS Test

iCON Education iconic preparation for JEE and NEET

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Candidate Name

Student

Exam Name

AIIMS

Test Name

Communication Systems

Subject

Physics

← Back to Communication Systems

Remaining Time

00:15:00

Question 1: Palette 1/4

AIIMS 2019 MCQ

If modulation index, $\mu=\frac{1}{2}$ and $V_m=2$, then $V_C$ is

Question 2: Palette 2/4

AIIMS 2019 MCQ

Assertion : In ionospheric reflection, phase change does not occur with the radio wave.

Reason : The ionosphere reflection is similar to the total internal reflection in miraj.

If both assertion and reason are true and reason is the correct explanation of assertion.

If both assertion and reason are true, but reason is not the correct explanation of assertion.

If assertion is true, but reason is false.

If both assertion and reason are false.

Question 3: Palette 3/4

AIIMS 2019 MCQ

Assertion : Amplitude modulation shows more interference than frequency modulation with noise.

Reason : Interference is function of amplitude of modulation wave with carrier-wave.

If both assertion and reason are true and reason is the correct explanation of assertion.

If both assertion and reason are true, but reason is not the correct explanation of assertion.

If assertion is true, but reason is false.

If both assertion and reason are false.

Question 4: Palette 4/4

AIIMS 2018 MCQ

A diode detector is used to detect and amplitude modulated wave of 60% modulation by using a condenser of capacity 250 pF in parallel with a load resistance 100 k$\Omega$. Find the maximum modulated frequency which could be detected by it.

10.62 MHz

10.61 kHz

5.31 MHz

5.31 kHz

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