Question is ⇒ Basically a potentiometer is a device for, Options are ⇒ (A) comparing two votage, (B) measuring a voltage, (C) comparing two currents, (D) measuring a current, (E) , Leave your comments or Download question paper.

Question is ⇒ Basically a potentiometer is a device for, Options are ⇒ (A) comparing two votage, (B) measuring a voltage, (C) comparing two currents, (D) measuring a current, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	Basically a potentiometer is a device for
A.	comparing two votage [Correct Answer]
B.	measuring a voltage [Wrong Answer]
C.	comparing two currents [Wrong Answer]
D.	measuring a current [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 :

⇒ The output y(t) of a continuous-time system S for the input x(t) is given
S is linear and time-invariant
S is linear and time-varying
S is non-linear and time-invariant
S is non-linear and time-varying

⇒ The input resistance R, of an ideal voltage amplifier is __________ and that of a current amplifier is __________ .
zero, zero
infinite, infinite
zero, infinite
infinite, zero

⇒

Assertion (A): A 4 input variable logic circuit can be implemented using a 8 : 1 multiplexer.

Reason (R): When a multiplexer is used as a logic function generator, the logic design is simple.

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 true, R is false
A is false, R is true

⇒ In brushless excitation system of modern alternators, the main exciter is
dc generator
ac generator
either dc or ac generator
induction generator

⇒ Which of these has poor overload capacity?
PMMC instrument
Hot wire instrument
Dynamometer instrument
Both (a) and (c)

⇒ A scheme shown below is to generate a wide band FM modulate sign
88 MHz, 112 MHz
96 MHz, 104 MHz
92 MHz, 108 MHz
90 MHz, 110 MHz

⇒ Terra-watt is equal to
10³ W
10⁶ W
10⁹ W
10¹² W

⇒ Which connection is rarely used?
CE
CB
CC
Both (a) and (b)

⇒ If the input to the ideal comparator shown in the figure is a sinusoidal signal of 8 V (peak to peak) without any DC component, then the output of the comparator has a duty cycl
42737
42738
42741
42747

⇒ A 2-terminal network consists of one of the RLC elements. The elements is connected to an ac supply. The current through the element is 1 A. When an inductor is inserted in series between the source and the element, the current through the element becomes 2 A. What is this element?
A resistor
An inductor
A capacitor
Cannot be single element

⇒

Assertion (A): A PROM is a user programmable ROM.

Reason (R): After programming PROM behaves like ROM.

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

⇒ The action of backward wave oscillator is similar to that of
klystron amplifier
reflex klystron oscillator
TWT
magnetron

⇒

Assertion (A): Relaxation time and mean time between collisions are equal when scattering is isotropic.

Reason (R): Mean free path of an electron λ, velocity of electron v and mean time between collisions t_c are related as λ = vT_c.

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

⇒ Above ferroelectric curie temperature, spontaneous polarization in ferroelectric materials becomes stronger.
TRUE
FALSE

⇒ The colour on the extreme left in general purpose fixed resistors represents
first significant digit
tolerance
wattage rating
voltage rating

⇒ Counterpoise is used in coils having
high resistivity
low resistivity
medium resistivity
both (b) and (c)

⇒ For a D/A converter, inputs and outputs are given. The output corresponding to digital input 01
2.0 V
2.5 V
3.0 V
4.0 V

⇒ Which of the following elements act as donor impurities?

Gold
Phosphorus
Boron
Antimony
Arsenic
Indium

Select the correct answer using the codes given below:
1, 2, 3
1, 2, 4, 6
3, 4, 5, 6
1, 4, 5

⇒ In a communication system, noise is most likely to affect the signal
at the transmitter
in the channel
in the information source
at the destination

⇒ The logic circuit of the given figure realizes the func
(A + B + C)(D)(E)
(A + B + C) (D)(E)
(A + B = C) (D)(E)
(A + B + C)(D)(E)

⇒ A vacant electronic state moves in the same direction as would a positive charge carrier.
TRUE
FALSE

⇒ The open loop frequency response of a unity feed back system is as u
20 dB and 15°
20 dB and 25°
6 dB and 15°
6 dB and 25°

⇒ Let JCOKE = 98 and LPEPSI = 42 Consider the statement 103
106
109
none of the above

⇒ Advanced low power Schottky is a part of
ECL family
CMOS family
TTL family
none of the above

⇒ A shadow zone does not receive any space wave
TRUE
FALSE

⇒ A flip flop is a
combinational circuit
memory element
arithmetic element
memory or arithmetic element

⇒ The network
First order system and the pole
Second order system of the two poles are
Second order system of the poles is
none of the above

⇒ In 8085 microprocessor, in order to enable INTR interrupt, which of the following instruction are needed?
EI only
SIM only
El and SIM both
None

⇒ The purpose of series quadrature windings in amplidyne is to
neutralize the effect of armature reaction
reduce commutation difficulties
increase the gain
increase response time

⇒ Which of the following can be used for measuring capacitance?
De sauty bridge
Maxwell's bridge
Anderson bridge
Hay's bridge