a 75 w bulb is connected to a 120 v source. what is the current through the bulb? what is the resistance of the bulb? what resistance would be needed to reduce the current to 0.3 a?
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Here,if the current reduces to 0.3, then the resistance of the bulb would be 400 ohm.
If you connect any external resitance in parallel with the bulb then it will be different.
If you connect any external resitance in parallel with the bulb then it will be different.
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