Question is ⇒ A digital frequency counter can be converted to DVM by addition of a suitable, Options are ⇒ (A) voltage controlled oscillator, (B) D/A converter, (C) power amplifier, (D) operational amplifier, (E) , Leave your comments or Download question paper.

Question is ⇒ A digital frequency counter can be converted to DVM by addition of a suitable, Options are ⇒ (A) voltage controlled oscillator, (B) D/A converter, (C) power amplifier, (D) operational amplifier, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	A digital frequency counter can be converted to DVM by addition of a suitable
A.	voltage controlled oscillator [Wrong Answer]
B.	D/A converter [Correct Answer]
C.	power amplifier [Wrong Answer]
D.	operational amplifier [Wrong Answer]
View Answer 4 -2 Explanation:- Answer : B 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 :

⇒ Evaluate the value of 2 [u (t - 1) - u (1 - 2t)] (u ( t + 1) + u (t)) at t = 3 sec.
0
4
∞
1

⇒ A 750 A circuit uses thyristor of current rating 175 A. If derating is 25%, the number of thyristors in parallel is
3
4
6
10

⇒ A long periodic antenna is a
frequency independent antenna
frequency dependent antenna
directional antenna
none of the above

⇒ Consider the following:

Si
Ge
GaAs
InP

Which of the above semiconductors should be used for making highly efficient photodiodes?
1 and 4 only
3 and 4 only
1, 3 and 4
2, 3 and 4

⇒ Which inductor is linear?
Air cored
Cast iron cored
Sheet steel cored
Iron alloy cored

⇒

Assertion (A): Ideal current sources and ideal voltage sources do not exist in reality.

Reason (R): All sources have finite internal impedances.

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

⇒ The depletion layer around p-n junction in JFET consists of
hole
electron
immobile charges
none of the above

⇒ In super computers the extra level of primary memory is generally called
Solid state device
Single stage device
Digital state device
Surface stage device

⇒ SHF range is
30 - 300 MHz
300 - 3000 MHz
3000 - 30000 MHz
30000 - 300000 MHz

⇒ If the plate supply voltage for a plate modulated class C amplifier is E volts, the maximum plate-cathode voltage could be almost as high as
E
E/2
2E
4E

⇒ A Karnaugh map with 4 variables has
2 cells
4 cells
8 cells
16 cells

⇒ The gain of an antenna with a circular aperture of diameter 3 metres at a frequency of 5 GHz, will be
2.4674
24.674
246.74
24674

⇒ In cell communication
carrier frequency change
carrier frequency constant
depend upon location
depend upon geographical area

⇒ The noise generated by a resistor depends upon
its operating temperature
its resistance value
both (a) and (b)
bandwidth

⇒ Two impedances 10 - j 10 and 10 + j 10 are connected in parallel. Their combined impedance is
5 + j5
5 - j5
10 + j0
20 - j10

⇒ Let f(A, B) = A ⊕ B; then the simplified form of the function f(f(x ⊕ y, z)w) is
(x ⊕ y ⊕ z)w
x ⊕ y ⊕ z ⊕ w
(x ⊕ y ⊕ z) + w
none of these

⇒ In a CE amplifier the ac cut off voltage is 9 V and slope of ac load line is - 0.5 mA/V. The ac saturation current is
9 mA
4.5 mA
3 mA
18 mA

⇒ The main purpose of using transformer coupling in a class A amplifier is to make it more
efficient
less costly
less bulky
distortion free

⇒ Find R_TH across the terminals A a
52.28 Ω
58.28 Ω
52.82 Ω
58.82 Ω

⇒ In figure the potential of gate termina
4 V
-4 V
0
20 V

⇒ An encoder converts decimal numbers to binary and other codes.
TRUE
FALSE

⇒ Which of the following is a valid expression in FORTRAN 77?
B * - 3
B * (- 3)
B * * - 3
B * + 2

⇒ It is desired to reduce distortion in an amplifier from 8% to 2% by using 5% negative feedback. The open and closed loop gains respectively are
60 and 15
15 and 60
6 and 1.5
1.5 and 6

⇒ In a CE amplifier the collector resistance is short circuited. The ac output voltage will
increases
remains the same
increases or decreases
decreases

⇒ The magnitude response of a normalised Butterworth low pass filter is
linear starting with value of unity at zero frequency and 0.707 at cut off frequency
non linear all through but with values of unity at zero frequency and 0.707 at cut off frequency
linear upto cut off frequency and nonlinear thereafter
nonlinear upto cut off frequency and linear thereafter

⇒ Cache memory size is about
a few KB
about 500 KB
about 1 MB
about 50 MB

⇒ In a BJT CE amplifier circuit the value of coupling capacitor should be such that
its reactance is small for the lowest frequency in the input and output
its reactance is high for the lowest frequency in the input and output
its reactance is zero for the lowest frequency in the input and output
its reactance is infinite for the lowest frequency in the input and output

⇒ Assuming accumulator contain A 64 and the carry is set (1). What will register A and (CY) contain after SBI 0B7H?
12 H, 0
12 H, 1
DDH, 0
DDH, 1

⇒ In a ratio detector
the linearity is worse than in a phase discriminator
the output is twice that obtainable from a similar phase discriminator
stabilization against signal strength variations is provided
the circuit is the same as in a discriminator, except that the diodes are reversed

⇒ A video monitor is exactly similar to TV receiver.
TRUE
FALSE