# Figure A and B, show a bulb connected to a cell in two different ways.$(i)$. What will be the direction of the current through the bulb in both the cases $(Q\ to\ P\ or\ P\ to\ Q)$?$(ii)$. Will the bulb glow in both cases?$(iii)$. Does the brightness of the glowing bulb depend on the direction of current through it?"

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$(i)$. In a circuit, current always flows from the positive terminal to the battery\'s negative terminal. So, in the first case, the current will flow from Q to P and in the second case, the current will flow from P to Q.

$(ii)$. In both cases, the current is flowing. So, the bulb will glow in both cases.

$(iii)$. No, the bulb\'s brightness does not depend on the direction of the current flowing through it. The brightness of the bulb depends on the amount of current and voltage.

Updated on 10-Oct-2022 13:30:49