AP EAMCET · PHYSICS · Communication System
In an amplitude modulated signal the maximum amplitude is and minimum amplitude is . The amplitude of modulating wave will be
- A
- B
- C
- D
Answer & Solution
Correct Answer
(B)
Step-by-step Solution
Detailed explanation
Maximum amplitude Am+Ac=15 V Minimum amplitude Am-Ac=5 V ⇒2Am=20 V Amplitude of modulated wave, Am=10 V
See the Complete Solution
Get step-by-step explanations for this and 2.5 Lakh+ more JEE, NEET & CET questions.
- Unlock all solutions
- Practice the full chapter
- Track accuracy across PYQs
4.8 rated on Google Play · 14,000+ reviews
More questions from PHYSICS
- If the charge on the capacitor is \(1 \mathrm{mC}\) in the given circuit,
then \(\frac{R_1 R_2}{R_3}=\ldots \ldots \ldots . . . . \Omega\).AP EAMCET 2017 Medium - Three parallel plate capacitors of capacitances \(4 \mu \mathrm{~F}\), \(6 \mu \mathrm{~F}\) and \(12 \mu \mathrm{~F}\) are first connected in series and then in parallel. The ratio of the effective capacitances in the two cases isAP EAMCET 2024 Easy
- In the following circuit, the power dissipated in the zenar diode is
AP EAMCET 2017 Easy - With respect to air, the critical angle in a medium for red light of wave length \(\lambda_1\) is \(\theta\). Other facts remaining same, critical angle for yellow light of wave length \(\lambda_2\) will beAP EAMCET 2023 Medium
- A reversible Carnot heat engine converts \(\frac{1}{4}\) th of its input heat into work. When the temperature of the sink is reduced by \(50 \mathrm{~K}\), its efficiency becomes \(33 \frac{1}{3} \%\). The initial temperatures of the source and the sink respectively areAP EAMCET 2018 Medium
- Under standard conditions, the density of a gas is \(\frac{1400}{1089} \mathrm{~kg} \mathrm{-} \mathrm{m}^{-3}\) and the speed of sound propagation in it is \(330 \mathrm{~ms}^{-1}\), then the number of degrees of freedom of the gas molecules isAP EAMCET 2019 Easy
More PYQs from AP EAMCET
- The equation of the plane in normal form which passes through the points and isAP EAMCET 2019 Easy
- In a game, a pair of dice is rolled 24 times. If a person wins the game by not getting 6 on both the dice in any one of the 24 rolls, then the probability that a person wins the game isAP EAMCET 2023 Medium
- At a place the horizontal component of earth's magnetic field is \(3 \times 10^{-5} \mathrm{~T}\) and the magnetic declination is \(30^{\circ}\). A compass needle of magnetic moment \(18 \mathrm{Am}^2\) pointing towards geographic north at this place experiences a torque ofAP EAMCET 2024 Easy
- In any \(\triangle A B C, \frac{\cos A}{a}+\frac{\cos B}{b}+\frac{\cos C}{c}=\)AP EAMCET 2022 Medium
- If the lines and lie along diameters of a circle of area then the equation of the circle isAP EAMCET 2019 Easy
- Assertion (a) : Ductile metals are used to prepare thin wires.Reason (R): In the stress-strain curve of ductile metals, the length between the points representing elastic limit and breaking point is very small.AP EAMCET 2006 Easy