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CTET paper 2, Feb 2016 Q79

0. An electric circuit is set up in such a way that the positive terminal of a battery V is connected to a bulb Bl which is connected to a resistor R which is connected to bulb B2. B2 is finally connected to the negative terminal of the battery. Both the bulbs are glowing. If the value of R is increased, then

  • Option : A
  • Explanation : The direction of flow of current in a circuit is from positive to negative terminal of a battery. In the given circuit, with an increase in the value of resistance of a resistor (which reduces the flow of current), the current flow to bulb B2 will be affected. In this case, bulb B2 will become dimmer and bulb B1, will remain unchanged.
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