When two resistors of resistances

R _ { 1 }

and

R _ { 2 }

are connected in parallel (see figure), the total resistance

R

satisfies the equation

\frac { 1 } { R } = \frac { 1 } { R _ { 1 } } + \frac { 1 } { R _ { 2 } }

. $When two resistors of resistances R _ { 1 } and R _ { 2 } are connected in parallel (see figure), the total resistance R satisfies the equation \frac { 1 } { R } = \frac { 1 } { R _ { 1 } } + \frac { 1 } { R _ { 2 } } . Find R _ { 1 } for a parallel circuit in which R _ { 2 } = 7 ohms and R must be at least 1 ohm. A) R _ { 1 } \leq 7 \text { ohms } B) R _ { 1 } < 7 \text { ohms } C) R _ { 1 } \geq \frac { 7 } { 6 } \text { ohms } D) R _ { 1 } > 7 \mathrm { ohms } E) R _ { 1 } = \frac { 7 } { 6 } \text { ohms }$ Find

R _ { 1 }

for a parallel circuit in which

R _ { 2 } = 7

ohms and R must be at least 1 ohm.

A)

R _ { 1 } \leq 7 \text { ohms }

R _ { 1 } < 7 \text { ohms }

R _ { 1 } \geq

\frac { 7 } { 6 }

\text { ohms }

R _ { 1 } > 7 \mathrm { ohms }

R _ { 1 } =

\frac { 7 } { 6 }

\text { ohms }

Select the Correct Description of Right-Hand and Left-Hand Behavior of the Graph

Multiple Choice

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