Question is ⇒ 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, Options are ⇒ (A) 20 kΩ, (B) 19.9 kΩ, (C) 1.9 kΩ, (D) 20.1 kΩ, (E) , Leave your comments or Download question paper.

Question is ⇒ 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, Options are ⇒ (A) 20 kΩ, (B) 19.9 kΩ, (C) 1.9 kΩ, (D) 20.1 kΩ, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	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
A.	20 kΩ [Wrong Answer]
B.	19.9 kΩ [Correct Answer]
C.	1.9 kΩ [Wrong Answer]
D.	20.1 kΩ [Wrong Answer]
View Answer 1 -1 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 :

⇒ The logic circuit given below converts a binary code y₁ y₂, y₃
Excess - 3 code
Gray code
BCD code
Hamming

⇒ The primary colours are
blue and green
blue and red
red and green
blue, red and green

⇒ I = dq/dt.
TRUE
FALSE

⇒ In equally tampered scale, frequency of each tone equals the frequency of lower adjacent tone multiplied by
(2)^1/7
(2)^1/12
(2)^1/6
(2)^1/5

⇒ AB + AB =
B
A
1
0

⇒ Which distortion is least objectionable in case of audio amplifiers?
Phase distortion
Frequency distortion
Harmonic distortion
Inter-modulation distortion

⇒

Assertion (A): In class A amplifier the distortion is minimum

Reason (R): In class A amplifier collector current exists for 360° of input cycle

Both A and R are correct and R is correct explanation for A
Both A and R are correct but R is not correct explanation for A
A is correct R is wrong
A is wrong R is correct

⇒ Which gives minimum probability of error?
ASK
FSK
PSK
DPSK

⇒ The block diagram of AM transmitter in which high level modulation is used as shown in figure. The block X could
audio power amplifier
buffer RF amplifier
compressor amplifier
none of the above

⇒ A specimen of a material has a resistivity of 1.78 x 10⁸ ohm-m. The material is
semiconductor
conductor
semiconductor or conductor
insulator

⇒ A perfect conductor is a perfect absorber of electromagnetic waves.
TRUE
FALSE

⇒ In a zener diode
forward voltage rating is high
negative resistance characteristics exists
sharp breakdown occurs at low reverse voltage
none of the above

⇒ The refractive index of E layer at frequency of 81 N
0
∞
1
0.5

⇒ A 3 bit binary adder should use
3 full adders
2 full adders and 1 half adder
1 full adder and 2 half adders
3 half adders

⇒ If there is phase error in the carrier signal for the detection of SSB signals, then
the output gets reduced, but a phase distortion results
the output is not reduced, but a phase distortion results
the output is not reduced, and also no distortion
the output is reduced, no phase distortion

⇒ In a single phase half wave converter feeding resistive load and full wave converter (M - 2 connection) feeding a resistive load the circuit conditions are similar. The firing angle is a. Then the waveshapes of voltages across thyristors
are similar
are not similar
may be similar or dissimilar
are similar only for some values of a

⇒ The function Y = A B C + AB C + A B C + A BC is to be realized using discrete gates. The inputs available are A, B, C. We need a total of
8 gates
6 gates
10 gates
5 gates

⇒ Consider the following statemen
1 only
2 only
1 and 2
2 and 3

⇒ In a receiver, which of the following device has IF input but RF output?
Demodulator
Loudspeaker
Audio amplifier
Frequency changer

⇒ In 8085 microprocessor, even after a Reset operation which of the following interrupts remains enabled?
INTR
RST 5.5
RST 7.5
TRAP

⇒ The input and output of a continuous time system are respectively denoted by x(t) and y(t) Which of the following descriptions corresponds to a causal system?
y(t) = x(t - 2) + x(t + 4)
y(t) = x(t - 4) + x(t + 1)
y(t) = x(t + 4) + x(t - 1)
y(t) = x(t + 5) + x(t + 5)

⇒ For real values of x, the minimum value of the function f(x) exp (x) + exp (- x) is
2
1
0.5
0

⇒ The gain of a current element is
0 dB
1.67 dB
1.76 dB
3 dB

⇒ Maximum effective aperture of an antenna which is operating at a wavelength of 3 meters and has a directivity of 100
71.68 m²
716 m²
7.16 m²
71.6 m²

⇒ In which mode of BJT operation are both junctions forward biased?
Active
Saturation
Cut off
Reverse active

⇒ End fire array has a dipole spacing of λ/2.
TRUE
FALSE

⇒ Colour picture tube needs higher anode voltage and needs larger beam and cathode currents than monochrome tube because
it is bigger in size
it has higher level of illumination
the tube has to illuminate three phosphors simultaneously
the tube has lower efficiency because of aperture mask

⇒ For TM waves in a parallel plate waveguide, the minimum attenuation arising from imperfect conductors would occur at a freq. of (f_c is the cut off frequency)
3 f_c
3 f_c
2 f_c
2 f_c

⇒ The phenomenon known as "Early effect" in a BJT refers to a reduction of the effective base width caused by
electron-hole recombination at the base
reverse biasing of the base collector junction
forward biasing of emitter base junction
the early removal of stored base charge during saturation to cut off switching

⇒ In a superheterodyne broadcast receiver, the frequency of local oscillator is __________ the incoming signal frequency.
higher than
lower than
equal to
not comparable to