N-01-01-005-vr-001 Casio fx-82NL
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R3 = 2 Watt
dus R2 = 2 Watt
Rv = 1 / ( 1/R2 + 1/R3 )
Rv23 = 1 / ( 1/50 +1/50 )
Rv23 = 25 Ohm
R2 en R3 parallel dus samen 4 Watt bij 25 Ohm
P = I2 x R
I2 = P / R
I = √ P/R
I = √ 4 / 25 = 0.4 A
P = I2 x R
Pr1 = Ir12 x R
Pr1 = 0.42 * 50 = 8 Watt
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1 1 : 50 + 1 : 50 25 Ohm
I = 4 : 15 0.4 A
Pr1 = 0.4 x 50 8 Watt
1 : ( 1 : 50 + 1 : 50 ) 25 Ohm
OF
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