Question is ⇒ The impedance parameter z21 is, Options are ⇒ (A) transfer impedance at port 1 with port 2 open circuited, (B) transfer impedance at port 1 with port 2 short circuited, (C) transfer impedance at port 2 with port 1 open circuited, (D) transfer impedance at port 2 with port 1 short circuited, (E) , Leave your comments or Download question paper.

Question is ⇒ The impedance parameter z21 is, Options are ⇒ (A) transfer impedance at port 1 with port 2 open circuited, (B) transfer impedance at port 1 with port 2 short circuited, (C) transfer impedance at port 2 with port 1 open circuited, (D) transfer impedance at port 2 with port 1 short circuited, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	The impedance parameter z₂₁ is
A.	transfer impedance at port 1 with port 2 open circuited [Correct Answer]
B.	transfer impedance at port 1 with port 2 short circuited [Wrong Answer]
C.	transfer impedance at port 2 with port 1 open circuited [Wrong Answer]
D.	transfer impedance at port 2 with port 1 short circuited [Wrong Answer]
View Answer 1 -1 Explanation:- Answer : A Discuss it below : !! OOPS Login [Click here] is required to post your answer/result Help other students, write article, leave your comments

Previous question Next question

Also Read Similar Questions Below :

⇒ Which of the following pairs are correctly matched?

Brune's realisation : realisation with ideal transformer.
Cauer realisation : ladder realisation.
Bott Duffin realisation : with non ideal transformer.

Select the answer using the following codes:
1, 2 and 3
2 and 3
1 and 3
1 and 2

⇒ Consider the following statements about radar Beacon

It is also called transponder.
It includes pulse transmitter, receiver and antenna.
It replies with full power even when the signal receives is weak.

Which of the above statements are correct?
All
1 and 2 only
2 and 3 only
2 only

⇒ The D'Arsonval- movement can be converted into audio frequency ac ammeter by adding a
thermocouple
transducer
chopper
rectifier

⇒ Tape recorders use
cone type loudspeakers
horn type loudspeakers
either cone type or horn type loudspeakers
none of the above

⇒ In 8085 microprocessor, what is the length of status Word?
6 bits
8 bits
12 bits
16 bits

⇒ Which control action is also called rate control?
Proportional
Derivative
Integral
Proportional plus integral

⇒

Match the following:

	List I		List II
A.	Detection of a periodic signal in noise	1.	Increase in bandwidth
B.	Recovery of a band limited signal from its uniformly sampled values	2.	Slope overload error
C.	Finer quantization of signal	3.	Nyquist rate
D.	Delta modulation	4.	Cross correlation

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

⇒ For a delayed half wave rectified wave, the average and rms values are lower than those for half wave.
TRUE
FALSE

⇒ The ending part of the popular teleserial Mahabharat will be beamed to the viewers
WESTAT
INSAT-IC
ARABSAT
INSAT-ID

⇒ Consider the following program in C 0.297
0.2
0
3

⇒ The static characteristic of an adequately forward biased p-n junction is a straight line if the plot is of
log I vs log V
log I vs V
I vs log V
I vs V

⇒ To produce magnetic flux, mmf is necessary.
TRUE
FALSE

⇒

Assertion (A): Positive feedback is not used in any circuit.

Reason (R): Positive feedback leads to instability.

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 correct but R is wrong
R is correct but A is wrong

⇒ A constant k high pass filter has f_c = 3000 Hz. At f = 1000 Hz, the phase shift is
zero
p
2 p
more than p

⇒ When .4546 E 5 and .5433 E 7 are to be added in normalized floating point mode
none of the numbers is changed to any other form
.4546 E 5 is changed .004546 E 7 and .5433 E 7 is not changed
.5433 E 7 is changed to 54.33 E 5 and .4546 E 5 is not changed
both the numbers are changed and their exponents are made equal to 6

⇒ The resolution of a DAC depends on which of the following?
The number of bits
Monotonicity
Reference voltage
The values of resistance

⇒ Consider the following program in Ba
60, 20, 20, 30, 10
10, 30, 20, 20, 60
60, 20, 30, 10, 20
60, 30, 10, 20, 20

⇒ In FM,
there is a large decrease in noise and hence increase in the signal to noise ratio
there is a large increase in noise and hence decrease in the signal to noise ratio
there is a large increase in noise and hence increase in the signal to noise ratio
there is a large decrease in noise and hence decrease in the signal to noise ratio

⇒ The response to sinusoidal excitation can be found by
setting s = jω in the network function
setting s = -jω in the network function
taking inverse transform of network function
none of the above

⇒ For an RC admittance function
the lowest critical frequency is a zero
the highest critical frequency is a pole
the lowest critical frequency is zero and the highest critical frequency is a pole
the lowest critical frequency is a pole

⇒ In an ac network, Thevenin's impedance and Norton's impedance are
always the same
generally the same
sometimes the same
always different

⇒ Silicon diodes have __________ reverse resistance than germanium diodes.
a much smaller
a much larger
an infinite
a negligible

⇒ In which configuration is ac collector voltage zero?
CE
CB
CC
none of the above

⇒ 1 GHz is equal to
10⁶ Hz
10⁸ Hz
10⁹ Hz
10¹⁰ Hz

⇒ A lens has a hyperfocal distance of 7.5 m. It is focused at 7.5 m. Then
all objects from 7.5 m to infinity will appear in focus
all objects from 3.75 m to infinity will appear in focus
all objects from 0 to 7.5 m will appear in focus
all objects from 0 to 3.75 m will appear in focus

⇒ In a hi-fi system the frequency response over the audio frequency range should be within
± 10 dB
5 dB
2 dB
1 dB

⇒ In a CD, the depth and width of each pit is
0.5 μm each
0.5 μm and 1 mm respectively
1 μm and 0.5 mm respectively
1 μm each

⇒ During day time ionosphere can be considered to be consisting of
D, E, F₁ and F₂ layers
D, E, F₁ layers
D, E, F₂ layers
D and E layers

⇒ Read cycle is always followed by (during instructions execution)
read cycle
write cycle
delete signal
none of these

⇒ Incompatibility between memory and I/O device may be due to
timing according to which data transfer is to take place
electrical characteristics of the two devices
format of data transfer
all of the above