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Q1. | A voltmeter using thermocouples measures |

A. | rms value [Correct Answer] |

B. | peak value [Wrong Answer] |

C. | average value [Wrong Answer] |

D. | peak to peak value [Wrong Answer] |

View Answer
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 :**

⇒ The number of leads in a DIAC are

2

3

4

6

⇒ Solution of Laplace equations, which are continuous through the second derivative, are called

bessel functions

odd functions

harmonic functions

fundamental functions

⇒ The main function of a balanced modulator is to

produce balanced modulation of a carrier wave

produce 100% modulation

suppress carrier signal in order to create a single-sideband or double sideband

limit noise picked by a receiver

⇒ In a circular waveguide the dominant mode is

TE

_{01}

TE

_{11}

TE

_{20}

TE

_{21}

⇒ If E (i.e., available energy state) = E

_{F}(i.e., Fermi level), then probability that state E will be occupied is 0.5 for any temperature T.

TRUE

FALSE

⇒ In a JFET avalanche breakdown occurs when V

_{DS}= 22 V and V

_{GS}= 0. If V

_{GS}= -1 V, the avalanche breakdown will occur at

V

_{DS}= 22 V

V

_{DS}more than 22 V

V

_{DS}equal to or more than 22 V

V

_{DS}less than 22 V

⇒ Which is not a valid dimension statement?

DIMENSION KAT(10, 20)

DIMENSION BAT (30, 20)

DIMENSION KAT(K, 10)

DIMENSION BAT (10, 5)

⇒ The kinetic energy of free electrons in a metal is (where

*k*is the de-Broglie wave number of the electron)

inversely proportional to

*k*

inversely proportional to square of

*k*

proportional to

*k*

proportional to the square of

*k*

⇒ In a bridge inverter

an output transformer is essential

an output transformer is not essential

an output transformer cannot be connected

an output transformer, if used, can improve the efficiency of the circuit

⇒ For the minterm designation Y = ∑ m (1, 3, 5, 7) the complete expression is

Y = A BC + A B C

Y = A B C + A B C + ABC + A BC

Y = A B C + A B C + ABC + A BC

Y = A B C + ABC + A BC + A BC

⇒ The most commonly used magnetron is

cylindrical

parallel plate

inclined plate

flat plate

⇒ A waveguide connected to a circularly polarized antenna must be able to efficiently propagate both vertically and horizontally polarised waves.

TRUE

FALSE

⇒ Which of the following statement number is not valid in Basic

12

521

662512

99999

⇒ Read the following statements

- The circuitry of ripple counter is more complex than that of synchronous counter.
- The maximum frequency of operation of ripple counter depends on the modulus of the counter.
- The maximum frequency of operation of synchronous counter does not depend on the modulus of the counter.

1 only

1, 2

1, 2, 3

2, 3

⇒ In a 4 bit weighted resistor D/A converter, resistor value corresponding to LSB is 32 k ohm. The resistor value corresponding to MSB is

32 k ohm

16 k ohm

8 k ohm

4 k ohm

⇒ Consider the following statements as regards induction and dynamometer wattmeters

- Dynamometer wattmeters can be used for dc only.
- Induction wattmeter has higher torque and dynamometer wattmeter.
- Induction wattmeter is less accurate, has more power consumption and more weight than dynamometer wattmeter.

1 only

1 and 2 only

2 and 3 only

1 and 3 only

⇒ On the basis of the type of chemical bonds, solids may be classified into

ionic crystals

ionic and valence crystals

ionic crystal, valence crystals and metals

ionic crystals, valence crystals, metal and vander wall crystals

⇒ In a Darlington pair

the emitter of first transistor drives the base of the second

the base of the first transistor drives the emitter of the second

emitters of the two transistors are connected through a resistor

none of the above

⇒ In the given figure the line voltage after a number of reflections wil

30 V

-30 V

10 V

-10 V

⇒ A resistor R of 1 Ω and two inductor L

_{1}and L

_{2}of inductances 1 H and 2 H respectively, are connected in parallel. At some time, the current through L

_{1}and L

_{2}are 1 A and 2 A, respectively. The current through R at time

*t*= ∞ will be

zero

0.0416666666666667

0.0833333333333333

0.125

⇒ The pole zero plot of the given figure is

non-minimum phase function

minimum phase function

all pass function

either (b) or (c)

⇒ In a bipolar transistor, emitter efficiency is about

0.99

0.9

0.8

0.7

⇒ The binary sum of 111010

_{2}and 11011

_{2}is

1010101

_{2}

1011001

_{2}

1011101

_{2}

1111111

_{2}

⇒ As per Boolean algebra, inputs can be interchanged in

OR gates

AND gates

both OR and AND gates

none of the above

⇒

Match the following:

List I (Digital circuit) | List II (Circuit type) | ||
---|---|---|---|

A. | BCD to 7 segment decoder | 1. | sequential circuit |

B. | 4-to-1 MUX | 2. | combinational circuit |

C. | 4 bit shift register | 3. | neither sequential nor combinational circuit |

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

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

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

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

⇒ For stable network the real parts of poles and zeros of driving point functions must be

negative

negative or zero

zero

positive

⇒

**Assertion (A):** In totem pole output the output impedance is low.

**Reason (R):** TTL gate with active pull up should not be used in wired AND connection.

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 true, R is false

A is false, R is true

⇒ 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

⇒ To ensure that only dominant TE

_{10}mode propagates in a rectangular waveguide, the operating frequency

must be more than cutoff frequency of

*TE*

_{10}mode

must be less than cutoff frequency of

*TE*

_{20}mode

must be more than cutoff frequency of

*TE*

_{10}mode and less than cutoff frequency of TE

_{20}mode

must be less than cutoff frequency of

*TE*

_{10}mode

⇒ In the television system in India, the aspect ratio is

0.16875

0.127777777777778

0.211111111111111

0.170138888888889