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Q1. | Statement 1 |

A. | Statement 1 is true but statement 2 is false [Wrong Answer] |

B. | Statement 1 is false but statement 2 is true [Wrong Answer] |

C. | Both the statements are true [Correct Answer] |

D. | Both the statements are false [Wrong Answer] |

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

⇒ One advantage of using polar plot is that it depicts the frequency response characteristics over the entire frequency.

TRUE

FALSE

⇒ In a flip flop which input determines the state to which output will transistion?

Control input

Clock input

Both control and clock input

Either control or clock input

⇒ A 3 kV circuit uses SCR of 800 V rating. If derating is 25%, the number of SCRs in series is

4

5

6

8

⇒ For the logic circuit given, what is the simplified Boolean funct

X = AB + C

X = BC + A

X = AB + AC

X = AC + B

⇒ Consider the following statements about polar plots

- Addition of a non-zero pole to a transfer function results in further rotation of polar plot through an angle of - 90° as ω → ∞
- Addition of a pole at the origin to a transfer function rotates the polar plot at zero and infinite frequencies by a further angle of - 90°

Both are correct

Both are wrong

1 is correct and 2 is wrong

2 is correct and 1 is wrong

⇒ An electrical network with 8 independent nodes will have __________ nodal equations.

4

6

7

8

⇒ Graphic equaliser system in stereophonic systems generally have

3 or 4 bands

1 band

more than 8 bands

large number of bands

⇒ If

*f*(

*t*) = -

*f*(-

*t*) satisfies Drichlet conditions, then

*f*(

*t*) can be expanded in Fourier series containing

only sine terms

only cosine terms

cosine terms and constant

sine terms and constant

⇒ 9's complement of 56

_{10}is

43

_{10}

84

_{10}

65

_{10}

53

_{10}

⇒

**Assertion (A):** Magnetron is generally used in *n* mode.

**Reason (R):** Frequency for p mode can be easily separated from adjacent modes.

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

Both A and R are correct but R is not correct explanation of A

A is correct but R is wrong

A is wrong but R is correct

⇒ When a semi-conductor is doped, its electrical conductivity

increases

decreases in the direct ratio of the doped material

decreases in the inverse ratio of the doped material

remains unaltered

⇒ Which of the following exhibits negative resistance in a portion of its characteristics?

Tunnel diode

Zener diode

JFET

MOSFET and tunnel diode

⇒ In figure the current through resist

is always equal to 130 mA

may vary between 130 mA and 10 mA

may vary between 65 mA and 10 mA

is always equal to 65 mA

⇒ For a npn BJT transistor

*f*is 1.64 x 10

_{β}^{8}H

*z*. C

_{μ}= 10

^{-14}F; C

_{p}= 4 x 10

^{-13}F and DC current gain is 90. Find

*f*and

_{T}*g*(

_{m}*f*= cut off frequency, C

_{β}_{μ}= capacitance, C

_{p}= parasitic capacitance,

*g*= transconductance,

_{m}*f*= gain BW product)

_{T}*f*= 1.47 x 10

_{T}^{10}H

*z*;

*g*= 38 milli mho

_{m}*f*= 1.64 x 10

_{T}^{8}H

*z*;

*g*= 30 milli mho

_{m}*f*= 1.47 x 10

_{T}^{9}H

*z*;

*g*= 38 mho

_{m}*f*= 1.33 x 10

_{T}^{12}H

*z*;

*g*= 0.37 m-mho

_{m}⇒ Measurement of non-electrical quantity involves the following subsystems

- Amplifier block
- Display block
- Instrumentation block
- Transducer block

4, 1, 3, 2

4, 3, 1, 2

1, 3, 2, 4

1, 2, 3, 4

⇒ For a resistance of about 15 kΩ operating in a frequency range of a few MHz, the noise voltage is in the range of

a few μV

about 100 μV

a few μV

a few volts

⇒ Self bias is an example of __________ feedback that tends to stabilize the drain current against changes in temperature and JFET replacement.

variable

low

negative

positive

⇒ A current increasing at the rate of 1 A/s is passed through 1 F capacitor. At

*t*= 0,

*i*= 0. The charge stored after 1 second is

0.5 C

1 C

2 C

4 C

⇒ When tracing through a resistance we always get a voltage drop.

TRUE

FALSE

⇒

**Assertion (A):** The steady state response, of a stable, linear, time invariant system, to sinusoidal input depends on initial conditions.

**Reason (R):** Frequency response, in steady state, is obtained by replacing *s* in the transfer function by *j*ω

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

Both A and R are correct but R is not correct explanation of A

A is correct but R is wrong

R is correct but A is wrong

⇒ The measure of mismatch between the load and the transmission line is known as

directivity

Gain

standing wave ratio

reflection coefficient

⇒ In a certain network not containing any dependent sources, number of nodes = 4 and number of branches is equal to 6.

4

2

3

5

⇒ If V = 20 + j20, then log

_{e}(A) A is

3.342 +

*j*45

28.28 ∠45°

400 ∠45°

3.342 +

*j*0.785

⇒ Calculate the wave impedance for TM mode in rectangular waveguide for dominant mode at 3 GHz having

(120p) Ω

377 Ω

226 Ω

629 Ω

⇒ Which of the following conversion is incorrect?

2048.0625 = 100000000000.0001

_{2}

100000011.1001

_{2}= 131.5625

_{10}

101101

_{2}= 45

_{8}

Hexadecimal B6C

_{7}= 46791

_{10}

⇒ An infinite ladder is constructed with 1 Ω and 2 Ω resistors shown be

8.18 A

0

0.375

can't determined

⇒ A 4 bit ripple counter is in 0000 state. The clock pulses are applied and then removed. The counter reads 0011. The number of clock pulses which have occurred are

3

3 or 19

3 or 19 or 35

none of the above

⇒ In a metal the probability of a state 0.1 eV below Fermi level being occupied

is more than the probability of state 0.1 eV above Fermi level being occupied

is the same as the probability of state 0.1 eV above Fermi level being occupied

is less than the probability of state 0.1 eV above Fermi level being occupied

may be equal to or more or less than the probability of state 0.1 eV above Fermi level being occupied

⇒ A machine cycle has one clock cycle.

TRUE

FALSE

⇒ For ideal performance, a filter should be terminated in characteristic impedance.

TRUE

FALSE