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Q1. | Evaluate the power stored in inductor and capac |

A. | 25 J, 12.5 J [Correct Answer] |

B. | 12.5 J, 25 J [Wrong Answer] |

C. | 25 J, 50 J [Wrong Answer] |

D. | 12.5 J, 50 J [Wrong Answer] |

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

⇒ If a microstrip is enclosed in a metal enclosure

the radiation losses are increased

the radiation losses are reduced RL

the capacitance becomes zero

the inductance becomes zero

⇒ The effective length of an 1/2 antenna (Given R

_{r}= 73 Ω and (A

_{e})

_{max}= 0.34λ

^{2}and η = 120p) is __________ .

0.6348 λ

0.5133 λ

0.1587 λ

0.3714 λ

⇒ The simplified logic expression for the circuit of the given figur

Y = A

Y = AB

Y = A + B

Y + A + B

⇒ Consider the following statements:

- Internal sorting is used if the number of items to be sorted is very large.
- External sorting is used if the number of items to be sorted is vary large.
- External sorting needs auxiliary storage.
- Internal sorting needs auxiliary storage.

1 and 2

2 and 3

3 and 4

2 and 4

⇒ In figure, the effective capacitance between A and

2 μF

4 μF

8 μF

10 μF

⇒ If V

_{r}is the reverse voltage across a graded P-N Junction, then the junction capacitance

*c*

_{j}is proportional to

(V

_{r})

^{2}

(V

_{r})

^{n}

(V

_{r})

^{-n}

(V

_{r})

^{3/2}

⇒ In the circuit of figure, PIV can be u

E

_{m}

2 E

_{m}

0.5 E

_{m}

2 E

_{m}

⇒ Which of the following needs DC forward voltage to emit light?

LED

LCD

Both LED as well as LCD

None of the above

⇒ As the temperature of an intrinsic semiconductor material is increased

additional holes are created in the conduction band

protons get excited

protons acquire charge

energy of the atom is increased

⇒ A meter coil has a resistance of 100 Ω and a full scale deflection current of 10 mA. To convert it into a voltmeter of 0-200 V range, the series resistance should be

20 kΩ

19.9 kΩ

1.9 kΩ

20.1 kΩ

⇒ If

*f*(

_{h}*t*) is the Hilbert transform of

*f*(

*t*), and

*f*(

*t*) is a real valued signal, the pre-envelope of

*f*(

*t*) is

*f*(

*t*) -

*jf*(

_{h}*t*)

*f*(

*t*) +

*jf*(

_{h}*t*)

*f*(

_{h}*t*) +

*jf*(

*t*)

*f*(

_{h}*t*) -

*jf*(

*t*)

⇒ Twelve 1 Ω resistance are used as edges to form a cube. The resistance between two diagonally opposite corners of the cube is

5/6 Ω

1 Ω

6/5 Ω

3/2 Ω

⇒ In a 100% amplitude modulated signal, the power in the upper sideband when carrier power is to be 100 W and modulation system SSBSC, is

100 W

66 W

50 W

25 W

⇒ Some of MOS families are PMOS, NMOS, CMOS. The family dominating the LSI field where low power consumption is necessary is

NMOS

CMOS

PMOS

both NMOS and CMOS

⇒ A tachometer has a sensitivity of 4 V/1000

*rpm*. Express the gain constant of the tachometer in the units volts/(rad/sec).

0.0489

0.0381

2

none of these

⇒ A piece of copper and another piece of Germanium are cooled from 30°C to 80 K. The resistance of

copper decreases and germanium increases

both decreases

both increases

copper increases and germanium decreases

⇒ The voltage applied to an R-L circuit at

*t*= 0 when switch is closed is 100 cos (100

*t*+ 30°). The circuit resistance is 80 Ω and inductance is 0.6 H (in which initial current is zero). What is the maximum amplitude of current flowing through the circuit?

0.0416666666666667

0.0833333333333333

0.208333333333333

0.416666666666667

⇒ The series 54 H/74 H denotes

Standard TTL

High speed TTL

Low Power TTL

High Power TTL

⇒ In a CE amplifier circuit

Q point must lie on both dc and ac load lines

Q point lies on dc load line

Q point lies on ac load line

Q point lies may or may not lie on both dc and ac load lines

⇒ A periodic rectangular signal,

*x*(

*t*) has the waveform shown in the given figure. Frequency of the fifth harmonic of its spectrum is _______

200 Hz

250 Hz

400 Hz

1250 Hz

⇒ Which one the following is an advantage of AM over FM?

FM has wide bandwidth

FM has better

FM is more immune to noise

Probability of noise spike generation is less in AM

⇒ The colour on the extreme left in general purpose fixed resistors represents

first significant digit

tolerance

wattage rating

voltage rating

⇒ The numbers of accelerating anodes in a CRO is

1

2

3

4

⇒ In microwave communication links, when fading due to rain attenuation occurs then technique adopted for solving the problem would include

antenna replacement and feed correction

amplitude timing and phase correction

polarization shifting and code diversity

path diversity and frequency diversity

⇒

**Assertion (A):** Conductors do not permit propagation of waves more than a short distance into the conductor at microwave frequencies.

**Reason (R):** The relaxation time constant for conductors is much small than the period of centimetric EM wave.

Both (A) and (R) are true and (R) is the correct explanation of (A)

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

(A) is true but (R) is false

(A) is false but (R) is true

⇒ Consider the following statements about Rhombic antenna

- It is non resonant
- It is a broad band antenna
- It is ideally suited for HF transmission

1, 2, 3

1, 3 only

2, 3 only

1 only

⇒ From an

*n*channel JFET for V

_{DS}constant and if V

_{GS}is made more negative, pinch off would occur at

higher value of drain current

saturation value of drain current

zero drain current

gate current equal to drain current

⇒ Figure shows the variation of Z(ω) for a positive real function. The functio

RC impedance

RL impedance

RLC impedance

Reactance function

⇒ The first row of the window is called ' Title bar '.

TRUE

FALSE

⇒ In a Hurwitz polynomial

all coefficients are non-negative

the coefficients may be positive or negative

all coefficients are negative

all coefficients are non-negative and all zeros should be either in left half plane or simple on the imaginary axis