Reason (R): Thevenin's equivalent circuit replaces a network by a voltage source in series with impedance.
, Options are ⇒ (A) Both A and R are true and R is correct explanation of A, (B) Both A and R are true and R is not the correct explanation of A, (C) A is true but R is false, (D) A is false but R is true, (E) , Leave your comments or Download question paper. '/>Reason (R): Thevenin's equivalent circuit replaces a network by a voltage source in series with impedance.
, Options are ⇒ (A) Both A and R are true and R is correct explanation of A, (B) Both A and R are true and R is not the correct explanation of A, (C) A is true but R is false, (D) A is false but R is true, (E) , Leave your comments or Download question paper. '/>Previous questionNext questionAssertion (A): Thevenin's theorem helps us to find current in a branch of a network for different values of impedances of that branch. Reason (R): Thevenin's equivalent circuit replaces a network by a voltage source in series with impedance. | |
A. | Both A and R are true and R is correct explanation of A [Correct Answer] |
B. | Both A and R are true and R is not the correct explanation of A [Wrong Answer] |
C. | A is true but R is false [Wrong Answer] |
D. | A is false but R is true [Wrong Answer] |
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Explanation:-
Answer : A Discuss it below : !! OOPS Login [Click here] is required to post your answer/result |
⇒ A (A + B) =
A
B
A
B
⇒ When a function Z(s) having a pole at infinity is realized, we get
a capacitance in series
a resistance in series
an inductance in series
a resistance or inductance in series
⇒ A rectangular waveguide having TE_{10} mode as dominant mode is having a cut off frequency of 18 GHz for the TE_{30} mode. The inner broad wall dimension of the rectangular waveguide is
5/3 cm
5 cm
5/2 cm
10 cm
⇒ Accurate amplitude measurements can be made more easily than accurate phase shift measurements.
TRUE
FALSE
⇒ Which device has internal positive feedback?
Two cavity klystron amplifier
Multi-cavity klystron amplifier
Reflex klystron amplifier
All of the above
⇒ The power rating of radio transmitters is around
100 mW
10 W
10 kW
10 MW
⇒ The maximum theoretical efficiency for class A amplifier is
0.125
0.25
0.5
0.75
⇒ The hexadecimal number (3E8)_{16} is equal to decimal number
1000
982
768
323
⇒
Assertion (A): Hay's bridge in particularly suitable for measuring inductance having a comparatively low resistance.
Reason (R): In Hay's bridge the value of frequency supply must be known.
Both A and R are true and R is correct explanation of A
Both A and R are true but R is not correct explanation of A
A is true R is false
A is false R is true
⇒ Denominator polynomial of a transfer function of certain network
stable
oscillatory
unstable
depends on numerator polynomial
⇒ In figure as the load resistance is cha
the zener current remain constant
the load current remains constant
the output voltage remains constant
the output voltage and current through R remain constant
⇒ Two numbers in excess-3 code are added and the result is less than 8. To get equivalent binary
0011 is subtracted
0011 is added
0110 is subtracted
0110 is added
⇒ The depletion layer in a reverse biased p-n junction is due to the presence of
electrons
holes
both electrons and holes
immobile ions
⇒ Which of the following lines behaves as infinite line?
a line terminated in inductance
a line terminated in capacitance
a short line
a line terminated in z_{0}
⇒ A 7477 decoder drives
seven-segment display
nickel tape
relays
diode matrix
⇒ The figures shows the symbo
p channel depletion MOSFET
p channel enhancement MOSFET
complementary MOSFET
p channel JFET
⇒ The correct form of expression B^{3} -2 A C in FORTRAN 77 is
B * * 3 - 2 * A * C
B * 3 - 2 * A AC
B * * 3 - 2 ** A * C
B *** 3 - 2 * A * C
⇒ Consider the differential amplifier shown in figure. (Assume β is very hi
2 mA
1 mA
0.5 mA
3 mA
⇒ Final value theorem is used to find
steady state value of system output
initial value of output
transient beaviour of output
none of these
⇒ A point charge of 6 μC is located at the origin, uniform line charge density of 180 nC/m of 8 m length lies along the x axis and a uniform sheet of charge equal to 25 nC/m^{2} of area p x 4^{2} lies in the z = 0 plane. Calculate total electric flux leaving the surface of sphere of 4 m radius centered at origin.
86.97 μC
8.697 nC
8.697 μC
86.97 nC
⇒ Two independence parameters Z_{11} and Z_{12} of the two-port network in the figure
Z_{11} = 2.75 Ω and Z_{12} = 0.25 Ω
Z_{11} = 3 Ω and Z_{12} = 0.5 Ω
Z_{11} = 3 Ω and Z_{12} = 0.25 Ω
Z_{11} = 2.25 Ω and Z_{12} = 0.5 Ω
⇒ A device which converts BCD to seven segment is called
encoder
decoder
multiplexer
none of these
⇒ In LIFO
only the top of the stack is immediately accessible
only the top of the stack is never accessible
only the first-in is accessible
only the first-in is not accessible
⇒
Assertion (A): The Laplace transform of a ramp is 1/s^{2}.
Reason (R): The integral of a unit step function gives an impulse function.
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
⇒ Initially the number decimal 8 is stored. If instruction
RAL
is executed twice, the final number stored will bedecimals 8
decimal 16
decimal 32
decimal 2
⇒ The reactance of bypass capacitor in a CE amplifier circuit should be
equal to the resistance in parallel with it
equal to 10% or less of the resistance in parallel with it
equal to 50% of the resistance in parallel with it
independent of the resistance in parallel with it
⇒ Which of the following is a self-complementing code?
8421 code
Excess 3 codes
Pure binary code
Gray code
⇒ Logarithmic amplifiers are used in
adders
dividers
multipliers
all of the above
⇒ V_{L} = 100 cos (10t + 30&d
116.57 sin (10t - 29°) V
116.57 sin (10t + 29°) V
117.00 sin (10t - 29°) V
117.00 sin (10t + 29°) V
⇒ The series element for a prototype high pass filter is
resistive
inductive
capacitive
combination of L and C