Question is ⇒ In a circuit the value of resistor is made four times. The noise voltage generated by this resistance will, Options are ⇒ (A) be doubled, (B) be increased four times, (C) remain the same, (D) become half, (E) , Leave your comments or Download question paper.

Question is ⇒ In a circuit the value of resistor is made four times. The noise voltage generated by this resistance will, Options are ⇒ (A) be doubled, (B) be increased four times, (C) remain the same, (D) become half, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	In a circuit the value of resistor is made four times. The noise voltage generated by this resistance will
A.	be doubled [Correct Answer]
B.	be increased four times [Wrong Answer]
C.	remain the same [Wrong Answer]
D.	become half [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 :

⇒ India's first domestic geostationary satellite 1NSAT-IA was launched on 10th April 1982 from
USSR
USA
UK
UP

⇒ The slope of log magnitude curve near the cut off frequency is called cut off rate.
TRUE
FALSE

⇒ If input frequency is 50 Hz, the frequency of output wave in a full wave diode rectifier circuit is
25 Hz
50 Hz
100 Hz
200 Hz

⇒ What is the addressing mode used in instruction MOV M, C?
Direct
Indirect
Induced
Immediate

⇒ Electrical contact materials used in switches, brushes, relay must possess
high thermal conductivity and high melting point
low thermal conductivity and low melting point
high thermal conductivity and low melting point
low thermal conductivity and high melting point

⇒ In 8085 microprocessor, which of the following interrupts has the lowest priority?
RST 5.5
RST 7.5
TRAP
INTR

⇒ A thyristor has its gate current zero. To start conduction the forward voltage must exceed
about 0.5 V
forward breakover voltage
on state voltage
peak working off state forward voltage

⇒ The chemical effect of current is used in
dc ampere hour meter
dc ammeter
ac energy meter
all of the above

⇒ Figure repres
Adder
Multiplier
Subtractor
Log Amplifier

⇒ In 3 phase power measurement by two wattmeter method, both wattmeters had equal reading. The power factor of load is
1
0.5 lagging
0.5 leading
0

⇒ One advantage of using polar plot is that it depicts the frequency response characteristics over the entire frequency.
TRUE
FALSE

⇒ Which of the following commutation methods is the overall circuit under damped?
Class A
Class B
Class C
Both class A and Class B

⇒ In the above case the hexadecimal notation for the last memory location is
0
FFFF
3FFF
5FFF

⇒ In figure, voltage across R₂ = + 10 V. If V_BE = 0.7 V and V_E = 0.7 V and R_E = 10 kΩ, current through R_{E1 mA
0.93 mA
2 mA
1.86 mA}

⇒ In PCM, if the number of quantization levels is increased from 4 to 64, then the bandwidth requirement will approximately be increased __________ times.
8
16
3
32

⇒ In crystalline solids, atoms are stacked in a regular manner.
TRUE
FALSE

⇒ When a normal atom loses an electron
the atom loses one-proton simultaneously
rest of the electrons move faster
the atom becomes a positive ion
the atom becomes a negative ion

⇒

Assertion (A): In C it is possible for functions to call themselves.

Reason (R): C makes use of 'Pointers'.

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 a 3 phase bridge inverter with 180° mode of operation the numbers of thyristors conducting at one time are
1
2
3
4

⇒ In the given figure, the curves 1, 2, 3 are respectively
all pass, minimum phase and non-minimum phase functions
minimum phase, all pass and non-minimum phase functions
non-minimum phase, all pass and minimum phase functions
minimum phase, non-minimum phase and all pass functions

⇒ What is the direction of address
Unidirectional into μp
Unidirection out of μp
Bidirectional
Mixed direction, i.e., some lines into up and some others out of μp

⇒ For the time domain response shown in figure the
lies in left half plane
lies in right half plane
lies at origin
may be complex or imaginary

⇒ The eigen values of a skew symmetric matrix are
always zero
always pure imaginary
either zero or pure imaginary
always real

⇒ Which of the following devices has two gates?
SCR
SCS
SUS
SBS

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

⇒ A transistor with a = 0.9 and I_CBO = 10 μA is biased so that I_BQ = 90 μA. Then I_EQ will be
5.15 mA
5.2 mA
5 mA
990 mA

⇒ Which of the following is invalid in Basic?
A ** B - C
5.2 ** 4.3
5.2 ** (- 4.3)
(- 5.2) ** (4.3)

⇒ In an SCR, the anode current is controlled by
gate current only
external circuit only
both gate current and external circuit
none of the above

⇒ In a JFET, the drain current is maximum when
V_GS = V_DS
V_GS = pinch off voltage
V_GS = 0
V_GS is negative

⇒ The poles and zeros of a positive real functions are real or occur in conjugate pair.
TRUE
FALSE