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11 June, 04:57

1. What will happen to the brightness of the light bulb if the switch in this circuit is suddenly closed?

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  1. 11 June, 07:46
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    There is no closed-loop path for the current to flow through the circuit. When the switch is closed, the light bulb operates since the current flows through the circuit. The bulb glows at its full brightness since its receives its full 120 volts and has the design current flow.
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