Users Also Read

MCQ's Search Engine

Electrical Engineering

Mechanical Engineering

Civil Engineering

Automobile Engineering

Chemical Engineering

Computer Engineering

Electronics Engineering

Medical Science Engg

Q1. | Two resistances are : R_{1} = 36 Ω ± 1.89 Ω and R_{2} = 75 Ω ± 3.75 Ω. The sum R_{1} + R_{2} along with limiting error is |

A. | 111 Ω ± 1.8 Ω [Wrong Answer] |

B. | 111 Ω ± 3.75 Ω [Wrong Answer] |

C. | 111 Ω ± 5.55 Ω [Correct Answer] |

D. | 111 Ω ± 1.95 Ω [Wrong Answer] |

View Answer
Explanation:-
Answer : CDiscuss 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 :**

⇒

Match the following:

List I (Transducer) | List II (Operation) | ||
---|---|---|---|

A. | Bourden tube | 1. | Fluid flow to resistance change |

B. | Hot wire ammeter | 2. | Velocity to pressure |

C. | Hydrometer | 3. | Pressure to displacement |

D. | Pitot tube | 4. | Specific gravity to displacement |

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

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

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

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

⇒ Which one of the following rules determines the mapping of

*s*-plane to

*z*-plane?

Right half of the s-plane maps into outside of the unit circle in

*z*-plane

Left half of the

*s*-plane maps into outside of the unit circle.

Imaginary axis in

*s*-plane maps in to the circumference of the unit circle.

All of the above

⇒ Which of the following is error correcting code?

EBCDIC

Gray

Hamming

ASCII

⇒ In an unloaded transformer, the fluxes limiting the primary and secondary are 30 mWb and 20 mWb. The coefficient of coupling is

1

0.1

0.33

0.67

⇒ In figure, E = 1 V (rms value). The average power is 250 mW. Then phase angle between E and

90°

60°

45°

30°

⇒ Power monitor and reflectometer use the principle of

directional coupler

klystron amplifier

Gunn diode

TWT

⇒ In the circuit of figure, the switch is closed at

*t*= 0. At

*t*= 0

^{+}the current through

0.166666666666667

2.5 A

3.1 A

0

⇒ The storage battery used in power stations and substations is generally

nickel cadmium battery

lead acid battery

zinc carbon battery

zinc carbon or lead acid battery

⇒ 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

⇒ The dissipation at the collector is in the quiescent state and increases with excitation in the case of a

class A series fed Amplifier

class A transistor coupled Amplifier

class AB amplifier

class B amplifier

⇒ What are the counting stages (Q

_{1}, Q

_{2}) for the counter shown in the figure be

11, 10, 00, 11, 10, ...

01, 10, 11, 00, 10, ...

00, 11, 01, 10, 00, ...

01, 10, 00, 01, 10, ...

⇒ An RC impadence function has a pole at

*s*= 0. The first element in the Foster form of synthesis

is R

may be R and C

is C

is R and C in parallel

⇒

**Assertion (A):** The gate current of an SCR is always in the form of pulses.

**Reason (R):** The gate losses, in pulse triggering, are low.

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

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

A is correct but R is wrong

A is wrong but R is correct

⇒ In a TV receiver antenna the length of reflector rod

is the same as that of dipole

is less than that of dipole

is more than that of dipole

may be equal, more or less than that of dipole

⇒ Which is the displacement transducer with excellent sensitivity, linearity and resolution?

Incremental encoder

Absolute encoder

LVDT

Strain gauge

⇒ For decimal numbe'r 13.5, the floating point representation in 4 byte excess 128 code is

01101100 00000000 00000000 10000100

00000000 01101100 00000000 10000100

00000000 01101100 10000100 00000000

01101100 00000000 10000100 00000000

⇒ If an additional two diodes were used to connect the 1 kW load across a bridge rectifier circuits, utilizing the full secondary of the transformer, how much d.c. power could be delivered using a transformer with the rating of 105 VA?

35 W

60 W

85 W

100 W

⇒ A JK flip flop has

*t*= 12 ns. The largest modulus of a ripple counter using these flip flops and operating at 10 MHz is

_{pd}16

64

128

256

⇒ If

*f*be the signal frequency and

_{s}*f*be the intermediate frequency then image frequency is given by

_{i}*f*+

_{s}*f*

_{i}*f*±

_{s}*f*

_{i}*f*± 2

_{s}*f*

_{i}*f*+ 2

_{s}*f*

_{i}⇒ In an homogeneous dielectric subjected to an electric field E, the dipole moment per unit volume is ∈

_{0}(∈

_{r}- 1) E.

TRUE

FALSE

⇒ If X(

*z*) = (1 - a

*z*

^{-1}), and |a| < |

*z*|, the initial value

*x*

_{0}is

1

0

2

∞

⇒ To measure a resistance of about 8 ohms we should use

Kelvin's double bridge

Wheatstone bridge

Meggar

Either (b) or (c)

⇒ Which of the following microphones is the cheapest?

Moving coil

Condenser

Ribbon

Carbon

⇒ Which of the following best represents the output impedance of an actual op-amp?

10 ohm

100 ohm

10 k ohm

100 k ohm

⇒ Which DOS command improves memory usage?

MEM MAKER

MOVE

MEM IM

None on the above

⇒ Choose the function

*f*(

*t*), - ∞ <

*t*< + ∞, for which a Fourier series cannot be defined

3 sin (25

*t*)

4 cos (20

*t*+ 3) + 2 sin (10

*t*)

exp - | t | sin 25

*t*

1

⇒ M circles are symmetrical with respect to

real and imaginary axis

M = 1 straight line and real axis

M = 1 straight line and imaginary axis

M = 1 straight line

⇒ A divide by 78 counter can be obtained by

6 numbers of mod-13 counters

13 numbers of mod-6 counters

one mod-13 counter followed by mod-6 counter

13 number of mod-13 counters

⇒ If the ratio of ac to dc load impedance of a diode detector is low, the result will be

poor AGC operation

poor AF response

negative peak clipping

diagonal clipping

⇒ A MOD - 2 counter, the FF has a

*t*= 60 nsec. The NOR gate has a

_{pd}*t*of 30 nsec. The clock frequency is

_{pd}37 MHz

40 MHz

111 MHz

none