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Q1. | Stray capacitance is important at low frequencies. |

A. | TRUE [Wrong Answer] |

B. | FALSE [Correct Answer] |

View Answer
Explanation:-
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0.8

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_{1}, and resonant frequency ω_{0}are related asω

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_{1}= ω_{0}+ bandwidth⇒ The accuracy of a multimeter is about

± 0.5%

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⇒ The operating modes of 8255 A are called

mode 0 and mode 1

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mode 0, mode 2 and mode 3

⇒ The name modem is a contraction of terms modulator demodulator.

TRUE

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⇒ The simplest method of suppression of unwanted side band in AM is

filter method

phase shift method

third method

both (a) and (b)

⇒ The area of an impulse is

1

0

∞

any finite value

⇒ The mass of an electron is nearly

9.1 x 10

^{-27}kg9.1 x 10

^{-29}kg9.1 x 10

^{-31}kg9.1 x 10

^{-35}kg⇒ Monostable multivibrator is called one-shot or single-shot circuit because it

can be used once

can be used single and not with other circuits.

always returns by itself to its single stable state

changes to quasistable for a fixed period of time upon receipt of triggering signal.

⇒ The logic realized by the circuit shown in figure belo

F = A - C

F = A + C

F = B ⊙ C

F = B ⊕ C

⇒ A thermistor is a

thermocouple

thermometer

miniature resistance

heat sensitive explosive

⇒ Which of the following can be used for measuring capacitance?

De sauty bridge

Maxwell's bridge

Anderson bridge

Hay's bridge

⇒ The two conductors of a single phase transmission line suspended in air carry currents in opposite directions. The force per unit length on each conductor varies

directly as the current in either conductor

directly as the distance between the two conductors

directly as the square of the current in either conductor

inversely as the square of the distance between the two conductors

⇒ When a communication satellite passes into Earth's shadow, its temperature drops to about __________ ° K.

273

243

170

123

⇒ In the design of a single mode step index optical fiber close to upper cut-off, the single mode operations is NOT preserved if

radius as well as operating wavelength are halved

radius as well as operating wavelength are doubled

radius is halved and operating wavelength is doubled

radius is doubled and operating wavelength is halved

⇒ The electric energy required to raise the temperature of a given amount of water is 1000 kWh. If heat losses are 25%, the total heating energy required is __________ kWh.

1500

1250

1333

1000

⇒ In the following non-planar graph no.of independent loop equations

8

12

7

5

⇒ The concentration of minority carriers in an extrinsic semiconductor under equilibrium is

directly proportional to the doping concentration

inversely proportional to doping concentration

directly proportional to intrinsic concentration

inversely proportional to the intrinsic concentration

⇒ In 8085 microprocessor system, can an input and output port have same port address?

Yes

No

Insufficient data

None of these

⇒ The first geostationary satellite launched in 1965 was called

ANIK

EARLY BIRD (Intelsat-I)

WESTAR

MOLNIYA

⇒ If a RAM has 34 bits in its MAR and 16 bits in its MDR, then its capacity will be

32 GB

16 GB

32 MB

16 MB

⇒ Radiation efficiency of an antenna is defined as the ratio of

Total power radiated by an antenna to the net power accepted by the antenna from the connected transmitter

The frequency at which minimum power is radiated to the frequency at which maximum power is radiated

Total power accepted from the transmitter to total power generated by the transmitter

Power in main lobe to that in the side lobe