GATE EC 2015 Set 3 — Question 33

Go beyond PYQs with Success TrackerAI-powered personalised practice and doubt support. Unlimited practice on eligible plans; AI usage limits apply.
MCQ+1 / -0.33MediumAngle Modulation (FM & PM)Analog CommunicationsCommunications

Communications → Analog Communications → Angle Modulation (FM & PM)

Last updated

Question

A message signal m(t)=Amsin(2πfmt)m(t) = A_m \sin(2\pi f_m t) is used to modulate the phase of a carrier Accos(2πfct)A_c \cos(2\pi f_c t) to get the modulated signal y(t)=Accos(2πfct+m(t))y(t) = A_c \cos(2\pi f_c t + m(t)). The bandwidth of y(t)y(t)
Your answer

Choose one option, then check your answer.

The solution stays hidden until you check.

Continue learning with Success Tracker

A step still unclear? Work through it with support

Use Success Tracker to ask about the reasoning, then try another GATE EC question to check your understanding.

AI-powered practice· Unlimited practice on eligible plans
PYQs with solutions
Attempt available previous-year questions, then compare your reasoning with the worked solution. Coverage varies by stream.
Practice that adapts
Choose a topic, work on weaker areas and bookmark questions to revisit. Your attempts feed your progress tracking.
AI doubt support
Ask follow-up questions about a step or concept while practising, instead of stopping at the final answer.

Unlimited practice is available on eligible plans. Free practice and AI usage have limits; check the current plan allowances before choosing.

This page stays readable without an account. AI responses can be wrong; check them against the solution and source material.

More questions on Analog Communications