Consider a simple circuit. What can we do to make the bulb dimmer? -add longer wires -increase voltage -increase the

Question

Consider a simple circuit. What can we do to make the bulb
dimmer?
-add longer wires
-increase voltage
-increase the current of the wire
-increase the resistance of the bulb
-shorten the wires

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Thái Dương 2 months 2021-07-24T13:55:24+00:00 1 Answers 4 views 0

Answers ( )

    0
    2021-07-24T13:57:13+00:00

    Answer:

    increase the resistance of the bulb

    Explanation:

    In a simple circuit the power dissipated in a light bulb is proportional to the product of the voltage and the current

             P = i V

    Besides the voltage is

           V = i R

           P = i² R

    Therefore, a simple method to decrease the power dissipated in a bulb to increase the resistance of the bulb, for this a series resistance is placed in the circuit.

    Consequently the correct answer is increase the resistance of the bulb

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