2 years ago

What is the equivalent resistance for a parallel circuit that has two resistors: 18.0 ohms and 23.5 ohms?

Physics

2 answers:

wolverine [178]2 years ago

6 0

Answer: A. 10.2 ohms

On Plato

Explanation:

professor190 [17]2 years ago

5 0

... take the reciprocal of each resistor.
... add the fractions
... take the reciprocal of their sum; that's the answer.

When there are only two resistors, here's an easier way:

... find their product
... find their sum
... divide the product by the sum; that's the answer.

Your parallel resistors make 10.193 ohms.

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3 years ago

a desktop computer and monitor together draw about 2 A of current they plug into a wall outlet that is 120 V what is the Resista

Delvig [45]

Answer:

$60 \Omega$

Explanation:

the relation between current, voltage and resistance in an electrical circuit is given by Ohm's law:

$V=IR$

where V is the voltage, I is the current and R is the resistance. In this problem, the current is I=2 A, the voltage is V=120 V, therefore we can arrange the previous equation and find the resistance:

$R=\frac{V}{I}=\frac{120 V}{2 A}=60 \Omega$