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Q1. | Two coupled coils with self inductances of 4 mH and 16 mH are connected in series. The maximum possible value of inductance can be |

A. | 36 mH [Correct Answer] |

B. | 20 mH [Wrong Answer] |

C. | 28 mH [Wrong Answer] |

D. | 64 mH [Wrong Answer] |

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Explanation:-
Answer : ADiscuss 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 :**

⇒ Vividh Bharti programme is transmitted in

short wave

medium frequency

very high frequency

none of the above

⇒ In the circuit below, the diode is ideal. The voltage V is give

min(V

_{i}, 1)

max(V

_{i}, 1)

min (-V

_{i}, 1)

max (-V

_{i}, 1)

⇒ In a pure sample of silicon

the number of holes and free electrons is always equal

the number of free electrons is more than the number of holes

the number of free electrons and holes is equal at low temperature

the number of free electrons is less than number of holes

⇒

**Assertion (A):** A band elimination filter attenuates signals whose frequencies lie between the cutoff frequencies.

**Reason (R):** A band elimination circuit is very different from band pass circuit.

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

⇒ An 8 bit DAC has a full scale output of 2 mA and full scale error of ± 0.5%. If input is 10000000 the range of outputs is

994 to 1014 μA

990 to 1020 μA

800 to 1200 μA

none of the above

⇒ Which of the following devices has metal-silicon junction?

General purpose power diode

Schottky diode

SCR

MOSFET

⇒ The circuit of figur

Precision integrator

Hartley oscillator

Butterworth high pass filter

Wien bridge oscillator

⇒ Algebraic expression for

*z*-transform of

*x*[

*n*] is X[

*z*]... What is the algebraic expression of

*z*-transform of

*e*

^{jω0n}

*x*[

*n*]?

X(Z - Z

_{0})

X(

*e*

^{-jW0z})

X(

*e*

^{jω0z})

X(Z)

^{jω0z}

⇒ A moving coil meter has a shunt of 0.02 Ω resistance. If coil resistance is 1000 Ω and a potential difference of 500 mV is required across it to cause full scale deflection, the current through shunt is

2.5 A

25 A

0.25 A

0.025 A

⇒ In 8085 microprocessor, what is the memory word addressing capability?

32 K

64 K

256 K

512 K

⇒ A higher directivity is specified by

high gain low BW (Beamwidth)

high gain high BW

low gain high BW

none of the above

⇒ By placing an inverter between both inputs of an S-R flip-flop, the resulting flip-flop becomes

J-K flip-flop

D-flip-flop

T-flip-flop

Master salve JK flip-flop

⇒ The carriers of

*n*channel JFET are

free electrons and holes

holes

free electrons or holes

free electrons

⇒ Which one of the following theorem can be conveniently used to calculate the power consumed by the 10 Ω resistor in the network shown in the above fig

Thevenin's theorem

Maximum power transfer theorem

Millman's theorem

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⇒ An atom of a rare gas is placed is an electric field E. Then

the nucleus will be shifted in the direction of E by an amount which is proportional to E.

the nucleus will not be shifted.

the nucleus will be shifted in the direction of E by an amount which is independent of E.

the nucleus will be shifted in a direction opposite to that of E.

⇒ The number of registers and flags in 8086 are

13 and 5 respectively

9 and 5 respectively

13 and 9 respectively

9 and 9 respectively

⇒ Using 2's complement, the largest positive and negative number which can be stored with 8 bits are

+128 and -127

+128 and -128

+127 and -128

+127 and -127

⇒ If X = 1 in the logic equation [X + Z { Y + (Z + X Y)}] { X + Z (X + Y)} = 1, then

Y = Z

Y = Z

Z = 1

Z = 0

⇒ HVDC systems are preferable for only long distances.

TRUE

FALSE

⇒ For a series resonant circuit at low frequency circuit impedance is __________ and at high frequency circuit impedance is _______

capacitive, inductive

inductive, capacitive

resistive, inductive

capacitive, resistive

⇒ Laplace transform method enables us to find the response in

steady state

transient state

both steady and transient state

transient state provided forcing functions do not exist

⇒ The question below consists of a pair of related words followed by four pairs of words. Select the pair that best expresses the relation in the original p

fallow : land

unaware : sleeper

wit : jester

renovated : house

⇒ Which of the following closely represents the resistance-temperature characteristics of thermistor?

R

_{T}=

*a*R

_{0}e

^{b/t}

R

_{T}=

*a*R

_{0}E

^{-b/t}

R

_{T}= -

*a*R

_{0}e

^{-b/t}

R

_{T}= - R

_{0}e

^{b/t}

⇒ In the circuit shown in the given figure, power dissipated in the 5 Ω resisto

zero

80 W

125 W

405 W

⇒ The counter shown in the given figure

Synchronous

Johnson

Ring

None of the above

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

directivity

Gain

standing wave ratio

reflection coefficient

⇒

Match the following:

List I | List II | ||
---|---|---|---|

A. | Sky wave | 1. | parasitic elements |

B. | Antenna feed | 2. | delta match |

C. | Reflector | 3. | long-wire antenna |

D. | Rhombic antenna | 4. | ionosphere |

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

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

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

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

⇒ Terra-watt is equal to

10

^{3}W

10

^{6}W

10

^{9}W

10

^{12}W

⇒ A good dielectric should have

low losses

good heat conductivity

high intrinsic strength

all of the above

⇒ Which of the following equations satisfy Maxwell's equations?

E

_{x}= E

_{y}= 0, E

_{z}= cos (

*y*-

*ct*)

E

_{x}= E

_{y}= 0, E

_{z}= cos (

*y*-

*ct*)

F

_{y}= cos (

*y*-

*ct*), E

_{x}= E

_{z}= 0

None of these