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Semiconductor Electronics: Materials, Devices and Simple Circuits

Signal transmission

In ground or surface wave propagation, the loss of power in a

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In ground or surface wave propagation, the loss of power in a signal wave is due to

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induced charges in earth which travel in ground along with the wave, resulting the alternating currents in the earth surface

interface of waves

diffraction of waves

high frequency of signal wave

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Book:

Master Resource Book in JEE Main Physics (Arihant)

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In ground or surface wave propagation, the loss of power in a signal wave is due to attenuation, i.e., the absorption of energy by the earth which inturn is due to induced charges in earth which travel in ground along with the wave, resulting in the alternating currents in the earth's surface, as well as due to titling effect, i. e., diffraction of waves.

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Practice questions from Master Resource Book in JEE Main Physics (Arihant)

Question 1

Easy

The figure show the symbol of a

AND gate
OR gate
NOT gate
NAND gate

Topic:

Semiconductor Electronics: Materials, Devices and Simple Circuits

Book:

Master Resource Book in JEE Main Physics (Arihant)

View solution

Question 2

Medium

An earth satellite emits a radio signal of frequency

1 0^{8} Hz

. An observer on the ground detects beats between the received signal and a local signal also of frequency

1 0^{8} Hz

. At a particular moment, the beat frequency is

2400 Hz

. What is the component of satellite velocity directed towards earth at this moment?

$1080 ms^{- 1}$
$1800 ms^{- 1}$
$3600 ms^{- 1}$
$7200 ms^{- 1}$

Topic:

Semiconductor Electronics: Materials, Devices and Simple Circuits

Book:

Master Resource Book in JEE Main Physics (Arihant)

View solution

Question 3

Easy

The forbidden energy band gap in conductors semiconductors and insulators are

E G_{1}, E G_{2}

and

E G_{3}

respectively. The relation among them, is

$E G_{1} < E G_{2} < E G_{3}$
$E G_{1} > E G_{2} > E G_{3}$
$E G_{2} > E G_{1} < E G_{3}$
$E G_{3} > E G_{1} > E G_{2}$

Topic:

Semiconductor Electronics: Materials, Devices and Simple Circuits

Book:

Master Resource Book in JEE Main Physics (Arihant)

View 2 solutions

Question 4

Medium

The V-I characteristic of silicon diode is shown in the figure. The resistance of the diode at

V_{D} = - 10 V

$10Ω$
$20Ω$
$1 0^{12} Ω$
$1 0^{7} Ω$

Topic:

Semiconductor Electronics: Materials, Devices and Simple Circuits

Book:

Master Resource Book in JEE Main Physics (Arihant)

View 3 solutions

Practice more questions from Semiconductor Electronics: Materials, Devices and Simple Circuits

Question 1

Medium

The speech signal of

3 kHz

is used to modulate a carrier signal of frequency

1 MHz

, using amplitude modulation. The frequencies of the side bands will be

$1.003 MHz$ and $0.997 MHz$
$1.954 MHz$ and $2.0 MHz$
$40.5 MHz$ and $27.6 MHz$
$5 MHz$ and $0.997 MHz$

Topic:

Semiconductor Electronics: Materials, Devices and Simple Circuits

Book:

Master Resource Book in JEE Main Physics (Arihant)

View 2 solutions

Question 2

Easy

What is the name of the gate obtained by the combination shown in figure?

NAND
NOR
NOT
XOR

Topic:

Semiconductor Electronics: Materials, Devices and Simple Circuits

Book:

Master Resource Book in JEE Main Physics (Arihant)

View solution

Question 3

Medium

In which of the region of earth's atmosphere temperature decreases with height?

Ionosphere
Stratosphere
Troposphere
Mesosphere

Topic:

Semiconductor Electronics: Materials, Devices and Simple Circuits

View solution

Question 4

Medium

In the network shown, the current flowing through the battery of negligible internal resistance is

$0.10 A$
$0.15 A$
$0.20 A$
$0.30 A$

Topic:

Semiconductor Electronics: Materials, Devices and Simple Circuits

Book:

Master Resource Book in JEE Main Physics (Arihant)

View solution

Practice questions on similar concepts asked by Filo students

Question 1

Example 6.1 It is well known that a raindrop or a small pebble falls under the influence of the downward gravitational force and the opposing resistive force. The later is known to be proportional to the speed of the drop but is otherwise undetermined. Consider a drop or small pebble

1.00 g

falling from a cliff of height

1.00 km

. It hits the ground with a speed of

50.0 m s^{- 1}

. What is the work done by the unknown resistive force?

Topic:

Mechanics

View 3 solutions

Question 2

Q.5. Find the half life of a radioactive material, it its activity drops to

1/1 6^{th}

of its initial value in 30 years? (ii) By Ruthei Ans. As activity

\times

No. of atoms present At time

Topic:

Optics

View solution

Question 3

I need the solution fast, please. P2. Construct the matrix S, representing the component of spin angular momentum along an arbitrary direction. Use spherical coordinates. For which, S = sinÎ¸cosÏ• + sinÎ¸sinÏ• + cosÎ¸k. Find the eigenvalues and normalized eigenspinors of Sr. Answer: S = (6/2) * sin(0/2) - cos(0/2) sin(0/2) Note: You're always free to multiply by an arbitrary phase factor - say, e^iÎ¸ - so your answer may not look exactly the same as mine.

Topic:

Physics

View solution

Question 4

ॠल्ड रेखीय पथ पर गति 4. f 5. किसी कण के सापेक वेग का क्या अभिक्राय है? दो कण

A

वथा से गतिशील हैं। दिखाइए कि कण

A

का कण

B

के सापेक्ष वेग

v_{A B} = v_{A} - v_{B}

. (i) वस्तु सबसे तेज किस समय-अन्तराल में चल रही थी? (ii) वस्तु ने कुल कितनी दूरी तय की? (ii) वस्तु ने कुल कितनी दूरी तय की? (iii) वस्तु का सम्पूर्ण विस्थापन कितना है? (iv) आरस्भ से बिन्दु

A

तक वस्तु का त्वरण उत्तर : गति का समय-वेग ग्राफ चित्र (b) में प्रदारशित है। (i)

0 - 1

सेकण्ड के मध्य, (ii) 40 मीटर, 4. चत्तर : (i)

1.5

मीटर/सेकण्ड़ 4. (ii) 20 मीटर। 4. चित्र में दर्शाये गये समय-वेग ग्राफ से ज्ञात कीजिए : 2. निम्नांकित चित्र में एक साइकिल सून्य, (iv) शून्य। 2वार का समय-दूरी

(t - s)

(i) 0 से 10 सेकण्ड तक औसत त्वरण, ग्राफ प्रदर्शित है। ग्राफ से गणना कीजिए : (ii) 40 सेकण्ड में चली गयी दूरी तथा विस्थापन। (उ० प्र० 2014) उत्तर : (i)

0.2

मीटर/सेकण्ड

^{2}

, (ii) 40 मीटर, शून्य। 5. एक वस्तु विराम से एक सरल रेखा के अनुदिश 8 मी/ से

^{2}

के त्वरण से गतिशील है। इस वस्तु का समय-वेग ग्राफ बनाइए तथा इस ग्राफ से निम्नलिखित की गणना कीजिए : (i) वस्तु का 5 सेकण्ड बाद वेग। (i) साइकिल सवार का महत्तम वेग, (ii) प्रथम 5 सेकण्ड में वस्तु द्वारा चली गयी दूरी। (ii) सम्पूर्ण यात्रा में साइकिल सवार की औसत चाल। (iii) इस अन्तराल में वस्तु का औसत वेगा उत्तर : (i) 40 मी/से, (ii) 100 मीटर, (iii) 20 मी/से। (उ० प्र० 2016) 6. अग्रांकित चित्र में एक धावक का समय-वेग ग्राफ प्रदार्शित है। उत्तर : (i) महत्तम वेग

= \frac{20 किमी}{2 घण्टा} = 10

किमी/घण्टा, ग्राफ से गणना कीजिए कि 16 सेकण्ड में धावक अपनी यात्रा (ii) औसत चाल

= \frac{कुल दूरी}{कुल समय} = \frac{35 किमी}{5 घण्टा} = 7

किमी/घण्टा। आरम्भ से कितनी दूर है? यह भी गणना सेकण्ड पर धावक का त्वरण क्या है?

Topic:

Modern Physics

View solution

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Question Text	In ground or surface wave propagation, the loss of power in a signal wave is due to
Topic	Semiconductor Electronics: Materials, Devices and Simple Circuits
Subject	Physics
Class	Class 12
Answer Type	Text solution:1
Upvotes	117