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Assertion (A): Microstrip is very commonly used in microwave integrated circuits. Reason (R): Microstrip has an easy access to the top-surface so that active and passive discrete components can be easily mounted. | |
A. | Both A and R are correct and R is correct explanation of A [Correct Answer] |
B. | Both A and R are correct but R is not correct explanation of A [Wrong Answer] |
C. | A is correct but R is wrong [Wrong Answer] |
D. | A is wrong but R is correct [Wrong Answer] |
View Answer
Explanation:-
Answer : A Discuss it below : !! OOPS Login [Click here] is required to post your answer/result |
Also Read Similar Questions Below :
⇒ The clock shown in figure has a frequency of 6 MHz. The frequency of the Q output wil
12 MHz
24 MHz
3 MHz
1.5 MHz
⇒ Which of these commutation methods uses an auxiliary SCR?
Class A
Class B
Class C
Class D
⇒ The phenomenon of creep occurs in
energy meters
voltmeters
ammeters
wattmeters
⇒ Which of these has highly doped p and n region?
PIN diode
Tunnel diode
Schottky diode
Photodiode
⇒ Which of the following antenna is obtained by modifying a waveguide?
Microstrip Antenna
Helical Antenna
Horn Antenna
Dipole Antenna
⇒ Two infinitely long wires carrying current are as shown in the figure below. One wire is in the y-z plane and parallel to the y-axis. The other wise is in the x-y plane and parallel to the x-axis. Which components of the resulting magnetic field are non-zero at the ori
x, y, z components
x, y components
y, z components
x, z components
⇒ The range of value "a" for which system will be stable. If impulse response of DT system is = a^{n} ∪[n]
a > 1
a < 1
1 < a < ∞
-1 < a < 1
⇒ The affect of ground on radiation pattern is to
cause cancellation of radiation along the ground
produce more number of nulls
both (a) and (b)
either (a) or (b)
⇒ In a CRO the Y plates are oriented
horizontally
vertically
at an angle of 20° of horizontal
at an angle of 70° of horizontal
⇒ A silicon diode is forward biased and total applied voltage is 5 V. The voltage across p-n junction is
5 V
Slightly less than 5 V
0.7 V
0
⇒ 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
⇒ Which of the following flip-flop is used as a latch?
J K flip-flop
R S flip-flop
T flip-flop
D flip-flop
⇒ In a biased limiter the clipping level can be adjusted by adjusting the voltage of battery.
TRUE
FALSE
⇒ Fourier series is applicable for
periodic
finite duration
non periodic
a and b
⇒ A dielectric material must be
insulator
good conductor
resistor
semiconductor
⇒ The circuit shown in the figure has 4 boxes each described by inputs P, Q, R and outputs Y, Z
4 bit adder giving P + Q
4 bit subtractor giving P - Q
4 bit subtractor giving Q - P
4 bit adder giving P + Q + R
⇒ The currents fed to the two dipoles of turnstile antenna are
in phase
in quadrature
in phase opposition
either (a) or (c)
⇒ For the given circuit, the current
0.0833333333333333
0.208333333333333
0.291666666666667
0.333333333333333
⇒ Q of a coil
A, B
C, D
A, C
B, D
⇒ I-PD controlled system has
I, P and D actions in forward path
I, P and D actions in feedback path
I action in forward path but P and D action in feedback path
I action in feedback path but P and D actioins in forward path
⇒ McMurray Bedford full bridge inverter uses
natural commutation
auxiliary commutation
complementary commutation
any of the above
⇒ In the circuit of figure the voltage across C at t = 0^{+0 V20 Vvery large7.5 V}
⇒ The sum of two sine waves of different frequencies is a sine wave.
TRUE
FALSE
⇒ During transmission over a communication channel, bit errors occur independently with probability P. If a block of n bits is transmitted, the probability of at most one bit error is equal to
1 - (1 - P)^{n}
P + (n - 1) (1 - P)
nP (1 - P)^{n - 1}
(1 - P)^{n} + nP (1 - P)^{n - 1}
⇒
A-1, B-5, C-8, D-7
A-6, B-5, C-3, D-2
A-1, B-5, C-4, D-2
A-1, B-3, C-4, D-7
⇒ Two port Z parameter not exist for the circuit if
Δz = 0
Δz
Δz = 1
always exist
⇒ In a p-n-p transistor the main current carriers and the mechanism of flow respectively are
electrons, drift
holes, drift
holes, diffusion
electrons, diffusion
⇒ Which of the antenna is best excited by a waveguide?
Horn
Discone
Helical
Biconical
⇒ For the time domain response shown in figure the
lies in left half plane
lies on imaginary axis
lies along the positive real axis
may be complex or imaginary
⇒ Figure shows current pulses of a class C power amplifier. The fundamental frequency of these pulse
100 kHz
1000 kHz
10 kHz
1 kHz
⇒ The clock shown in figure has a frequency of 6 MHz. The frequency of the Q output wil
12 MHz
24 MHz
3 MHz
1.5 MHz
⇒ Which of these commutation methods uses an auxiliary SCR?
Class A
Class B
Class C
Class D
⇒ The phenomenon of creep occurs in
energy meters
voltmeters
ammeters
wattmeters
⇒ Which of these has highly doped p and n region?
PIN diode
Tunnel diode
Schottky diode
Photodiode
⇒ Which of the following antenna is obtained by modifying a waveguide?
Microstrip Antenna
Helical Antenna
Horn Antenna
Dipole Antenna
⇒ Two infinitely long wires carrying current are as shown in the figure below. One wire is in the y-z plane and parallel to the y-axis. The other wise is in the x-y plane and parallel to the x-axis. Which components of the resulting magnetic field are non-zero at the ori
x, y, z components
x, y components
y, z components
x, z components
⇒ The range of value "a" for which system will be stable. If impulse response of DT system is = a^{n} ∪[n]
a > 1
a < 1
1 < a < ∞
-1 < a < 1
⇒ The affect of ground on radiation pattern is to
cause cancellation of radiation along the ground
produce more number of nulls
both (a) and (b)
either (a) or (b)
⇒ In a CRO the Y plates are oriented
horizontally
vertically
at an angle of 20° of horizontal
at an angle of 70° of horizontal
⇒ A silicon diode is forward biased and total applied voltage is 5 V. The voltage across p-n junction is
5 V
Slightly less than 5 V
0.7 V
0
⇒ 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
⇒ Which of the following flip-flop is used as a latch?
J K flip-flop
R S flip-flop
T flip-flop
D flip-flop
⇒ In a biased limiter the clipping level can be adjusted by adjusting the voltage of battery.
TRUE
FALSE
⇒ Fourier series is applicable for
periodic
finite duration
non periodic
a and b
⇒ A dielectric material must be
insulator
good conductor
resistor
semiconductor
⇒ The circuit shown in the figure has 4 boxes each described by inputs P, Q, R and outputs Y, Z
4 bit adder giving P + Q
4 bit subtractor giving P - Q
4 bit subtractor giving Q - P
4 bit adder giving P + Q + R
⇒ The currents fed to the two dipoles of turnstile antenna are
in phase
in quadrature
in phase opposition
either (a) or (c)
⇒ For the given circuit, the current
0.0833333333333333
0.208333333333333
0.291666666666667
0.333333333333333
⇒ Q of a coil
- increases with Q increasing frequency
- varies linearly with frequency
- increase with increasing frequency because R increases at high frequency
- decrease after the peak frequency because R increases at H.F. the correct statements are
A, B
C, D
A, C
B, D
⇒ I-PD controlled system has
I, P and D actions in forward path
I, P and D actions in feedback path
I action in forward path but P and D action in feedback path
I action in feedback path but P and D actioins in forward path
⇒ McMurray Bedford full bridge inverter uses
natural commutation
auxiliary commutation
complementary commutation
any of the above
⇒ In the circuit of figure the voltage across C at t = 0^{+0 V20 Vvery large7.5 V}
⇒ The sum of two sine waves of different frequencies is a sine wave.
TRUE
FALSE
⇒ During transmission over a communication channel, bit errors occur independently with probability P. If a block of n bits is transmitted, the probability of at most one bit error is equal to
1 - (1 - P)^{n}
P + (n - 1) (1 - P)
nP (1 - P)^{n - 1}
(1 - P)^{n} + nP (1 - P)^{n - 1}
⇒
Match the following:
List I | List II | ||
---|---|---|---|
A. | Poles and zeros of lie an real axis driving point LC network | 1. | lie an real axis |
B. | Canonic LC network has | 2. | a zero |
C. | The number of Canonic networks for the given driving point function | 3. | minimum number of elements |
D. | The first critical frequency nearest the origin for RL driving point impedance | 4. | four |
5. | minimum number of elements | ||
6. | alternate | ||
7. | either a pole or zero | ||
8. | three |
A-1, B-5, C-8, D-7
A-6, B-5, C-3, D-2
A-1, B-5, C-4, D-2
A-1, B-3, C-4, D-7
⇒ Two port Z parameter not exist for the circuit if
Δz = 0
Δz
Δz = 1
always exist
⇒ In a p-n-p transistor the main current carriers and the mechanism of flow respectively are
electrons, drift
holes, drift
holes, diffusion
electrons, diffusion
⇒ Which of the antenna is best excited by a waveguide?
Horn
Discone
Helical
Biconical
⇒ For the time domain response shown in figure the
lies in left half plane
lies on imaginary axis
lies along the positive real axis
may be complex or imaginary
⇒ Figure shows current pulses of a class C power amplifier. The fundamental frequency of these pulse
100 kHz
1000 kHz
10 kHz
1 kHz