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You have a 6.00 v power supply, and a 30.0 ohm and a 75.0 ohm resistor. find the current flowing out of the battery if the resistors are connected in parallel. (unit = a)

Respuesta :

Answer:

0.28 A

Explanation:

Given that the 30.0 ohm and 75.0 ohm resistor are connected in parallel, The equivalent resistance can be calculated by :

[tex] \: \dfrac{1}{R_{eq}} = \dfrac{1}{R_1} + \dfrac{1}{R_2}[/tex]

Plug in the values:

[tex]\dfrac{1}{R_{eq}} = \dfrac{1}{30} + \dfrac{1}{75}[/tex]

[tex]\dfrac{1}{R_{eq}} = \dfrac{5 + 2}{150} [/tex]

[tex] \dfrac{1}{R_{eq}} = \dfrac{7}{150} [/tex]

[tex] {R_{eq}} = \dfrac{150}{7} [/tex]

[tex]{ \boxed{ \pmb{{R_{eq}} = 21.42 \: \Omega}}}[/tex]

Calculating the current (I) :

The formula to calculate the current flowing out of the battery if the resistors are connected in parallel is :

[tex] \: \: \: \: \: I = \dfrac{V}{R} [/tex]

Where :

I is current in Amperes (A)

V is voltage in Volts (V)

R is Resistance in ohms [tex](\Omega)[/tex]

Plug in the values :

[tex]I = \dfrac{6}{21.42}[/tex]

[tex]{\boxed{ \pmb{ I =0.28 \: A}}}[/tex]

Hence, the the current flowing out of the battery if the resistors are connected in parallel is 0.28 A