Am Per

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MENGGUNAKAN AMPER METER DAN VOLTMETER DALAM RANGKAIAN 4Ω

12 V

12 V 2Ω Berapa arus (i) dan beda potensial (V) pada hambatan 4 Ω

Berapa arus (i) dan beda potensial (V) pada masing-masing hambatan

V

E R

A

A

R1

E

i = E/R = 12/4 = 3 A V = i .R = 3.4 = 12 V

V

Arus pada resistor Beda potensial pada resistor

R2

Rs = R1 + R2 = 4+2 = 6 Ω i = E/Rs = 12/6 = 2A V = i .Rs = 2.6 = 12 V V1 = i .R1 = 2.4 = 8 V V2 = i .R2 = 2.2 = 4 V

i i1 i1

8Ω

4Ω

Berapa besar arus serta bedapotensial pada masing masing lampu

Rangkaian SERI Rs = 8 + 4 = 12 Ω i = E/Rs =24/12=2A V1 = i .R1 = 2.8 = 16 V V2 = i .R2 = 2.4 = 8 V

3Ω

6Ω

Berapa besar arus yang berasal dari sumber tegangan serta arus pada masingmasing lampu.Dan berapa beda potensial pada masing-masing lampu

Rangkaian PARALEL 1/RP = 1/3 + 1/6 = 2/6 + 1/6 = 3/6 RP = 6/3 =2 Ω i = E/RP =12/2=6 A V1 = V2 = E = 12 V i1 = V1/R1 = 12/3 = 4 A i2 = V2/R2 = 12/6 = 2 A

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