1. find the equivalent resistance when 500 $\Omega$ and 900 $\Omega$ capacitors are connected in (a) series (b) parallel. 2. find radius of lead rod which has a length of 30.00 cm and a resistance of 200 $\Omega$?
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(a) When capacitors are connected in series, the equivalent resistance is given by the sum of the individual resistances. So, the equivalent resistance in series is 500 Ω + 900 Ω = 1400 Ω. (b) When capacitors are connected in parallel, the reciprocal of the Show more…
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A resistor is constructed of a carbon rod that has a uniform cross-sectional area of $5.00 \mathrm{mm}^{2} .$ When a potential difference of 15.0 $\mathrm{V}$ is applied across the ends of the rod, the rod carries a current of $4.00 \times 10^{-3} \mathrm{A}$ . Find (a) the resistance of the rod and (b) the rod's length.
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