The circuit shown is used to provide output voltages of

Berikut ini adalah pertanyaan dari midnitematthew pada mata pelajaran Fisika untuk jenjang Sekolah Menengah Atas

The circuit shown is used to provide output voltages of 8V and 16V from a 24V battery of negligible internal resistance.a) If the resistance of R2 = 200Ω, determine the resistance of R1.
b) An 8V, 0.08A lamp is now connected across resistor R1. Calculate the resistance of the lamp.
c) Explain why the lamp does not work at its correct brightness. You should include calculations to support your answer.
The circuit shown is used to provide output voltages of 8V and 16V from a 24V battery of negligible internal resistance.
a) If the resistance of R2 = 200Ω, determine the resistance of R1.
b) An 8V, 0.08A lamp is now connected across resistor R1. Calculate the resistance of the lamp.
c) Explain why the lamp does not work at its correct brightness. You should include calculations to support your answer.

Jawaban dan Penjelasan

Berikut ini adalah pilihan jawaban terbaik dari pertanyaan diatas.

Jawaban:

Penjelasan:

a) I = V/R = 16/200 = 0.08 A

b) R1 = V/I = 8/0.08 = 100 Ohm

c) It's depend on resistor's current. The value of resistor's current is more, its brightness is brighter too.

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Last Update: Wed, 27 Apr 22