Write the function of a (i) Transducer and (ii) Repeater in a com… - Vidyadip

Question

Write the function of a (i) Transducer and (ii) Repeater in a communication system.

✓

Answer

Transducer: The device which converts one form of energy into another.
Repeater: A repeater picks up signal, amplifies and retransmits them to receiver.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "2 Marks Questions" from Alternating Current→Alternating Current — all question types→Physics STD 12 Science question papers→Rajasthan Board STD 12 Science question papers→Rajasthan Board question paper generator→

Similar questions

Two point charges of $+10 \mu C$ and $-10 \mu C$ are kept at a distance of 40 cm from each other in air.(a) Calculate the electrical potential energy of the system. Assume that the electric potential energy at infinity is zero.(b) Draw the equipotential surface for the system.(c) How much work will have to be done to separateboth the charges of the system to infinity?

Is it possible to keep a parallel plate capacitor of capacity 1 Farad in your cupboard?

It is said that a liquid rises or is depressed in a capillary due to the surface tension. If a liquid neither rises nor depresses in a capillary, can we conclude that the surface tension of the liquid is zero?

Prove that the electric field at the surface of a charged conductor is $\overrightarrow{ E }=\frac{\sigma}{\varepsilon_0} \hat{n}$. Where, $\sigma$ - Surface charge density, $\hat{n}$ - unit vector normal to the surface and in going outward direction.

Answer the following question:
You have learnt that plane and convex mirrors produce virtual images of objects. Can they produce real images under some circumstances? Explain.

Derive an expression for drift velocity of free electrons in a conductor in terms of relaxation time.

Explain why cooking is faster in a pressure cooker.

Mention the disadvantages of phasor method of analysing AC circuits.

Find the neutral temperature and inversion temperature of a copper-iron thermocouple if the reference junction is kept at $0^\circ C$. Use the data in the table.

Metal with	$a$	$b$
lead $(Pb)$	$\mu\text{V}/^\circ\text{C}$	$\mu\text{V}/^\circ(\text{C})^2$

Aluminium	$-0.47$	$0.003$
Bismuth	$-43.7$	$-0·47$
Copper	$2.76$	$0·012$
Gold	$2.90$	$0.0093$
Iron	$16.6$	$-0.030$
Nickel	$19.1$	$-0.030$
Platinum	$-1.79$	$-0.035$
Silver	$2.50$	$0.012$
Steel	$10.8$	$-0.016$

By what fraction does the mass of a spring change when it is compressed by 1cm? The mass of the spring is 200g at its natural length and the spring constant is 500N/m.