Simple Resistor circuit

What is the current that would be produced by the battery in circuit shown?

Give your answer in mA \text{mA} .


The answer is 2000.

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1 solution

Darryl Dennis
Feb 17, 2016

The three resistors are connected in parallel in this circuit.

Notice that, one end of each of the three resistors is directly connected to the +2 Volt supply and the other end of each resistor is directly connected to the 0 Volt GND. Points A & C are +5V , points B & D are 0V. Current will flow from point A to point B thru R1, from point C to point B thru R2 and from point C to point D thru R3.

1 R T = 1 R 1 + 1 R 2 + 1 R 3 = 1 3 + 1 3 + 1 3 = 1 Ω \frac { 1 }{ { R }_{ T } } \quad =\quad \frac { 1 }{ { R }_{ 1 } } +\frac { 1 }{ { R }_{ 2 } } +\frac { 1 }{ { R }_{ 3 } } \quad =\quad \frac { 1 }{ 3 } +\frac { 1 }{ 3 } +\frac { 1 }{ 3 } \quad =\quad 1\Omega I = V R = 2 1 = 2.0 a m p = 2000 m A I\quad =\quad \frac { V }{ R } \quad =\quad \frac { 2 }{ 1 } \quad =\quad 2.0\quad amp\quad =\quad 2000\quad mA

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