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Q1. | In the given figure shows a periodic triangular wave. The Fourier series will |

A. | all cosine terms [Wrong Answer] |

B. | all sine terms [Correct Answer] |

C. | odd cosine terms [Wrong Answer] |

D. | odd sine terms [Wrong Answer] |

View Answer
Explanation:-
Answer : BDiscuss it below :!! OOPS Login [Click here] is required to post your answer/resultHelp other students, write article, leave your comments |

**Also Read Similar Questions Below :**

⇒ As EM waves travel in free space they get

reflected

refracted

attenuated

absorbed

⇒ Which of the following is a valid integer constant?

17

-18.58

101.14

-810

⇒ The input gate current of FET is closer to

few amperes

few milli amperes

few microamperes

negligibly smaller value

⇒ The Y plates of a CRO are excited by a voltage 2 sin 100

*t*and the X plates are not connected. The display would be

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a horizontal line

sine wave

slant line

⇒ As compared to BJT, MOSFET has

lower switching losses and higher conduction losses

higher switching losses and higher conduction losses

higher switching losses and lower conduction losses

lower switching losses and lower conduction losses

⇒ In a radio receiver, the local oscillator is always tuned to a frequency higher than the incoming frequency to

facilitate tracking

allow permit adequate frequency coverage without switching

facilitate image frequency rejection

all of the above

⇒ In 8355, the ROM is organized as __________ words of 8 bits each.

2000

2048

8355

835

⇒ The Kirchoff's laws fail in which of the following circuits?

Linear circuits

Non-linear circuits

Lumped parameters circuits

Distributed parameters circuits

⇒ A source is delivering maximum power to a resistance through a network. The ratio of power delivered to the source power,

is always 0.5

may be 0.54 or less

may be 0.5 or less

may be 0.5 or more

⇒

Match the following:

List I (Antenna) | List II (Communication system) | ||
---|---|---|---|

A. | Turnstile | 1. | Radar |

B. | Yagi | 2. | TV transmission |

C. | Dish | 3. | MW broadcasting |

D. | Vertical mast | 4. | TV reception |

A-4, B-2, C-3, D-1

A-2, B-4, C-1, D-3

A-2, B-4, C-3, D-1

A-4, B-2, C-1, D-3

⇒ A microwave junction is matched at all ports if the S matrix

has all diagonal elements zero

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has all diagonal elements complex

is Hermitian

⇒

**Assertion (A):** If Z_{1}(*s*) and Z_{2}(*s*) are positive real then Z_{1}(*s*) + Z_{2}(*s*) as well as 1/Z_{1}(*s*) and 1/Z_{2}(*s*) are positive real.

**Reason (R):** The poles of a positive real function are real or occur in conjugate pairs.

Both A and R are true and R is correct explanation of A

Both A and R are true and R is not the correct explanation of A

A is true but R is false

A is false but R is true

⇒ Nibble is

a string of 4 bits

a string of 8 bits

a string of 16 bit

a string of 64 bits

⇒ The unit of ∇ x H is

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⇒ Power transistors are invariably provided with

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heat sink

metallic casing

none of the above

⇒ A 1000

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0.4

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⇒ For a 400 kHz transmission line having L = 0.5 mH/km, C = 0.08 mF and negligible R and G, the value of propagation constant P will be

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31.8 radians/km

63.6 radians/km

105.4 radians/km

⇒ The method of frequency compensation in moving iron voltmeter is

to use a capacitor in series with coil

to connect a capacitor in parallel with coil

to connect a capacitor in parallel with series resistance

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⇒ In P-N junction, the region containing the uncompensated acceptor and donor ions is called

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⇒ In the circuit shown in the given figure, the current flowing through resistance of 100 Ω woul

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20 mA

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⇒ A ripple in collector supply voltage of the output stage of amplifier causes noise.

TRUE

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⇒ Stray capacitance is important at low frequencies.

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⇒ A D' Arsonval galvanometer is a

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⇒ When three 100 K, ± 10% fixed resistors of 1/4 W Power rating are connected in parallel, the resulting 33 K resistor will have a tolerance specification and power rating of

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± 10% and 1/12 W respectively

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⇒ The Fourier series of an odd periodic function contains

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even harmonics only

cosine harmonics only

sine harmonics only

⇒ The characteristic equation of a control system is given as

*s*

^{4}+ 8

*s*

^{3}+ 24

*s*

^{2}+ 32

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0 ≤ K < 80

0 ≤ K < 100

0 ≤ K < 2300

0 ≤ K < 600

⇒ In a full wave rectifier circuit using centre tapped transformer, the peak voltage across half of the secondary winding is 30 V. Then PIV is

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⇒ If the poles lie in second quadrant, damping ratio is

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⇒ Consider the following statements for 8085

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- Eight pins are dedicated to transmit the most significant 8 bits of memory address.
- The least significant 8 bits of address are transmitted on the lines on which data is transmitted.
- The data and leass significant 8 bits are transmitted at different points in time.

all

1, 2 and 3 only

2, 3 and 4 only

1, 3 and 4 only

⇒ The total number of leads in MOS controlled thyristor is

2

3

4

2 or 3