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Q1. | When tracing through a resistance we always get a voltage drop. |

A. | TRUE [Wrong Answer] |

B. | FALSE [Correct Answer] |

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Explanation:-
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**Also Read Similar Questions Below :**

⇒ In communication receivers the fidelity is provided by

audio stage

detector range

mixer stage

all of the above

⇒ In a BJT amplifier circuit the size of coupling capacitor depends on

lowest frequency

highest frequency

average of lowest and highest frequencies

none of the above

⇒ In a series LCR circuit the maximum inductor voltage is twice the maximum capacitor voltage however current lags by 30° and drop across the inductance is

*v*

*= 100 sin 377*

_{L}*t*V. Assuming the resistance being 20 Ω, Find the values of the capacitance and inductance.

235 μF, 61.18 μH

230 μF, 61.18 μH

61.18 μF, 230 μH

None of the above

⇒ Kirchoff's laws are applicable to

steady state conditions only

transient conditions only

both steady state and transient condition

both steady state and transient condition but with some constraints

⇒ The natural frequency S

_{n}of the given circui

-1

1

42737

-2

⇒ A transmission line is feeding 1 watt of power to a horn antenna having a gain of 10 dB. The antenna is matched to the transmission line. The total power radiated by the horn antenna into the free space is

10 watts

1 watt

0.1 watt

0.01 watt

⇒ Which coupling produces the minimum interference with frequency response?

RC coupling

Transformer coupling

Direct coupling

Impedance coupling

⇒

*TE*

_{01}mode of propagation of electromagnetic energy

is merely the TE

_{10}mode rotated 90°

is merely the TE

_{10}mode rotated 180°

is the same as TE

_{10}mode

either (b) or (c)

⇒ When Schrodinger equation is applied to the motion of electron in the field of protons, the physically acceptable solutions for the wave function exist for quantum number which are

2

3

4

5

⇒ In a J-K FF we have J = Q and K = 1. Assuming the FF was initially cleared and then clocked for 6 pulses, the sequence at the Q output wil

10000

11001

10010

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⇒ Consider the following statements about constants in 8085

- The assembler treats 64 H as hexadecimal constant.
- The assembler treats 154 as binary constant.
- The assembler treats 540 as octal constant.
- The assembler treats 138 as decimal constant.

1, 2 and 3 only

1, 3 and 4 only

1 and 3 only

2 and 4 only

⇒ In FM noise can be decreased by a feature that AM does not have

increasing deviation

decreasing deviation

reducing modulation index

increasing modulation index

⇒ The approximate value of input impedance of CE amplifier with emitter resistance R

_{E}is given by

*h*

_{ie}+ A

_{i}R

_{E}

*h*

_{ie}+ (1 +

*h*

_{fe}) R

_{E}

*h*

_{ie}

(1 +

*h*

_{fe}) R

_{E}

⇒ A coil has a resistance of 2 Ω and inductance of 0.1 mH. The applied voltages is suddenly increased from 10 V to 20 V. After steady state condition have reached, the current is

0.0833333333333333

more than 2 A but less than 4 A

0.166666666666667

more than 4 A

⇒ In a series RLC circuit p.f is lagging when

*f*< resonance frequency.

TRUE

FALSE

⇒ A two branch parallel tuned circuits has a coil of resistance R and inductance L in one branch and capacitance C in the second branch. The bandwidth is 200 radians/sec. A load of resistance R

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200 rad/sec

more than 200 rad/sec

less than 200 rad/sec

200 rad/sec or less

⇒ The output, V-I characteristics of an Enhancement type MOSFET has

only an ohmic region

only a saturation region

an ohmic region at low voltage value followed by a saturation region at higher voltages

an ohmic region at large voltage values preceded by a saturation region at lower voltages

⇒ The ratio of tangential component of electric field at the surface of a conductor and the linear current density resulting from this field is __________ impedance

characteristic

critical

surface

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⇒ The charge of an electron is

1.6 x 10

^{-17}coulomb

1.6 x 10

^{-19 }coulomb

1.6 x 10

^{-21}coulomb

1.6 x 10

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⇒ In a TWT the axial component of electric field advances along the tube

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at a velocity that is a small fraction of speed of light

at a velocity that is about 50% of speed of light

at a velocity that may be even more than speed of light

⇒ The statement

`IMPLICIT INTEGER (A - F)`

in FORTRAN identifiesall variable names which begin with A, B, C, D, E or F as being of integer type

all character names which begin with A, B, C, D, E, or F as being of integer type

all variable names which begin with A and have 6 characters

none of the above

⇒ A 6 MHz channel is used by a digital signalling system initializing four-level signals. The maximum possible transmission rate is

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12M bands/s

6 M bits/s

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⇒ It is found that in a telephone system 60 subscribers initiate calls during a 30 minute interval and the total duration of all the calls is 100 minutes. The load is

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3.333 erlang

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⇒ Which is not a valid dimension statement?

DIMENSION KAT(10, 20)

DIMENSION BAT (30, 20)

DIMENSION KAT(K, 10)

DIMENSION BAT (10, 5)

⇒ The maximum permissible distance between two samples of a 2 kHz signal is

1000 μ sec

500 μ sec

250 μ sec

2000 sec

⇒ In the circuit of figure the switch is open for a long time, At

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⇒ An op-amp uses

RC coupling

direct coupling

transformer coupling

either (b) or (c)

⇒ In log magnitude Bode diagram the slope of high frequency asymptote of (1 +

*j*ωT) is

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20 dB per octave

10 dB per octave

⇒ A Hall effect transducer has K

_{H}= - 1 x 10

^{-8}. If B = 1 Wb/m

^{2}, I = 3 A and bismuth slab is 2 mm wide, the Hall voltage is

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^{-6}V

-15 x 10

^{-6}

-20 x 10

^{-4}V

-22.5 x 10

^{-4}V

⇒ In a single phase full wave ac regulator feeding R-L load, the gate pulses

are always of short duration

may be of short duration

should be rectangular with width (p - a)

cannot be rectangular with width (p - a)