Question is ⇒ Leak type bias is used in plate modulated class C amplifier to, Options are ⇒ (A) increase the bandwidth, (B) prevent over modulation, (C) prevent excessive grid current, (D) prevent tuned circuit damping, (E) , Leave your comments or Download question paper.

Question is ⇒ Leak type bias is used in plate modulated class C amplifier to, Options are ⇒ (A) increase the bandwidth, (B) prevent over modulation, (C) prevent excessive grid current, (D) prevent tuned circuit damping, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	Leak type bias is used in plate modulated class C amplifier to
A.	increase the bandwidth [Wrong Answer]
B.	prevent over modulation [Wrong Answer]
C.	prevent excessive grid current [Correct Answer]
D.	prevent tuned circuit damping [Wrong Answer]
View Answer 3 -2 Explanation:- Answer : C 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 circuits come under the class of combinational logic circuits?

Full adder
Full subtractor
Half adder
J-K flip-flop
Counter

Select the correct answer from the codes given below:
1 only
3 and 4
4 and 5
1, 2 and 3

⇒ An electrical network with 8 independent nodes will have __________ nodal equations.
4
6
7
8

⇒ A cycloconverter can be
step down
step up
step down or step up
none of the above

⇒ In a series RC circuit Z = (R² + ω²C²)^0.5.
TRUE
FALSE

⇒ Consider the following statement in B
200, 250, 150 respectively
150, 200, 250 respectively
250, 200, 150 respectively
200, 150, 250 respectively

⇒ For an ideal 3000 Hz channel, Nyquist rate is
3000 bps
6000 bps
9000 bps
12000 bps

⇒ In the given circuit, viewed from AB, the circuit can be reduced to an equivalent circui
5 volts source in series with 10 Ω resistor
7 volts source in series with 2.4 Ω resistor
15 volts source in series with 2.4 Ω resistor
1 volt source in series with 10 Ω resistor

⇒ L[c₁f₁(t) + c₂f₂(t)] =
c₁ F₁ (jω) + c_₂ F₂(jω)
c₁ F₁ (jω) - c_₂ F₂(jω)
c₁ F₁ (jω) + c_₂ F₂(jω) + c₁c₂
c₁ F₁ (jω) + c_₂ F₂(jω) + c₁/c₂

⇒ δ(t - b) is a pulse function.
TRUE
FALSE

⇒

Assertion (A): The behaviour of FET is similar to that of a pentode.

Reason (R): FETs and vacuum triode are voltage controlled devices.

Both A and R are true and R is correct explanation of A
Both A and R are true but R is not a correct explanation of A
A is true but R is false
A is false but R is true

⇒ The natural frequency S_n of the given circui
-1
1
42737
-2

⇒ A phase shifting transformer is used in conjunction with
DC slide wire potentiometer
Crompton potentiometer
AC coordinate potentiometer
Drysdale potentiometer

⇒ For the logic circuit of the given figure the simplified Boolean equa
Y = (A + B) (C + D) (E + F)
Y = A = B + C + D + E + F
ABCDEF
ABC + DEF

⇒ The number of doped regions in a bipolar junction transistor is
1
2
3
4

⇒ Binary multiplication 1 x 0 =
1
0
10
11

⇒ F's complement of (2BFD)_hex is
E 304
D 403
D 402
C 403

⇒ A certain transistor has a_dc of 0.98 and a collectors leakage current of 5 μA. If I_E = 1 mA, the collector current will be
1.005 mA
0.985 mA
0.975 mA
0.955 mA

⇒ A meter coil has a resistance of 100 Ω and a full scale deflection current of 10 mA. To convert it into a voltmeter of 0-200 V range, the series resistance should be
20 kΩ
19.9 kΩ
1.9 kΩ
20.1 kΩ

⇒ Which of following antenna produces elliptical polarisation?
Helical
Parabolic
Dipole
None

⇒ In a CE amplifier, the collector resistance is 6 kΩ and load resistance is 3 kΩ. The ac load resistance is
9 kΩ
6 kΩ
3 kΩ
2 kΩ

⇒ In a TV, studio the function of vision switcher is to
edit television programs
relay television programs
control zoom lens
mix audio and video signals

⇒

Assertion (A): In 8085 SP and PC are 8 bit each.

Reason (R): 8085 is an 8 bit microprocessor.

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 R is wrong
A is wrong R is correct

⇒ In the circuit of figure the current through C at t = &infin
0.166666666666667
2.5 A
3.1 A
0

⇒ Peak to peak value of a sine wave is equal to twice the peak value
TRUE
FALSE

⇒ What does the B register contain after the first MOV B, A has been executed?
40 H
60 H
80 H
80 D

⇒ If frames are repeated at 60 Hz and each frame has 525 lines, the time for scanning one horizontal line (for progressive scanning and no interlacing) is about
320 μs
32 μs
3.2 μs
0.32 μs

⇒ The derivative of unit step function is
unit impulse
ramp with slope 1
impulse
either (a) or (b)

⇒ In push button type telephone set, pressing a button generates
one frequency
two high frequencies
two low frequencies
one low frequency and one high frequency

⇒ Z_L = 200 Ω and it is desired that Z_i = 50 Ω The quarter wave transformer should have a characteristic impedance of
100 Ω
40 Ω
10000 Ω
4 Ω

⇒ Two coils are so wound that 60% of the flux of one links the other. The coefficient of coupling is
1.67
0.6
0.36
0.216