What does a switch do?

A ) oppose the current

B ) open and close the circuit ✅

C ) store energy

D ) provide voltage

Related Questions
  1. Which of the following is an insulator?
  2. Power of electric heater is:
  3. Specific resistance of silver is:
  4. Which is not an e.m.f source?
  5. The amount of current that goes through the heart is:
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