Lakshya Education MCQs

Question: Resistances can be measured with the help of
Options:
A.wattmeters
B.voltmeters
C.ammeters
D.ohmmeters and resistance bridges
E.all of the above
Answer: Option D

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More Questions on This Topic :

Question 1. If an inductance is connected in one arm of bridge and resistances in the remaining three arms
  1.    the bridge can always be balanced
  2.    the bridge cannot be balanced
  3.    the bridge can be balanced if the resistances have some specific values
  4.    none of the above
Answer: Option B
Question 2. A sensitive galvanometer produces large deflection for a
  1.    small value of current
  2.    large value of current
  3.    large value of power
  4.    large value of voltage
  5.    none of the above
Answer: Option A
Question 3. Alternating current is measured by
  1.    induction ammeter
  2.    permanent magnet type ammeter
  3.    electrostatic ammeter
  4.    moving iron repulsion type voltmeter
Answer: Option A
Question 4. Disc windings are primarily used in
  1.    short capacity transformers
  2.    medium capacity transformers
  3.    high capacity transformers
  4.    any of the above
Answer: Option C
Question 5. Materials exhibiting zero value of resistivity are known as ______ .
  1.    conductors
  2.    semiconductors
  3.    insulators
  4.    superconductors
Answer: Option D
Question 6. In a low power factor wattmeter the pressure coil is connected
  1.    to the supply side of the current coil
  2.    to the load side of the current coil
  3.    in any of the two meters at connection
  4.    none of the above
Answer: Option B

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