Lakshya Education MCQs

Question: Which of the following is likely to have the largest resistance?
Options:
A.Voltmeter of range 10 V
B.Moving coil galvanometer
C.Ammeter of range 1 A
D.A copper wire of length 1 m and diameter 3 mm
Answer: Option A

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More Questions on This Topic :

Question 1. A VTVM is never used to measure ___________.
  1.    Voltage
  2.    Current
  3.    Resistance
  4.    None of the above
Answer: Option B
Question 2. A CRO is used to measure ___________.
  1.    Voltage
  2.    Frequency
  3.    Phase
  4.    All of above
Answer: Option D
Question 3. In foil strain gauge the thickness of foil varies from
  1.    2.5 micron to 6 micron
  2.    25 micron (or) less
  3.    25 micron to 60 micron
  4.    2.5 micron to 5 micron
Answer: Option A
Question 4. If the full-scale deflection current of a multimeter is 50 µA, its sensitivity is
  1.    10 kΩ/V
  2.    100 kΩ/V
  3.    50 kΩ/V
  4.    20 kΩ/V
Answer: Option D
Question 5. An ideal amplifier has
  1.    Noise figure of 0 db
  2.    Noise figure of more than 0 db
  3.    Noise factor of unity
  4.    Noise figure of less than 1 db
Answer: Option C
Question 6. Which of the following recorder gives slow response
  1.    X-Y recorder
  2.    Oscillographic
  3.    Galvanometric
  4.    Magnetic
Answer: Option C

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