Communication System — Practice Questions
JEE Mains · Physics
Free Communication System practice questions for JEE Mains Physics 2026 — chapter-wise MCQs with answers and detailed solutions.
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60 questions available from Communication System for JEE Mains Physics.
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Sample Questions
What is the primary reason for modulating a low frequency message signal before transmission?
In amplitude modulation, if the carrier wave is C = 20 sin(2π × 10⁶t) V and message signal is S = 5 sin(2π × 10³t) V, what is the modulation index?
Which type of wave propagation is used for television signals?
A TV tower has height 80 m. Calculate the maximum distance up to which TV transmission can be received. (Take R = 6.4 × 10⁶ m)
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