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3. current electricity — Physics STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 SciencePhysics3. current electricity1 Mark
MCQ
A student is provided with a variable voltage source $V$, a test resistor $R_T=10\,\Omega$, two identical galvanometers $G_1$ and $G_2$ and two additional resistors, $R _1=10\,M\,\Omega$ and $R _2=0.001\,\Omega$. For conducting an experiment to verify ohms law, the most suitable circuit is:
  • A

  • B

  • ✓

  • D

✓

Answer

Correct option: C.

c
To convert galvanometer into ammeter low resistances should be added into parallel and for voltmeter conversion, a very high resistance should be added in series.

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