Asked by bel

Taking R = 1.00 k Ω and ∑ 250 V in Figure P28.25, determine the direction and magnitude of the current in the horizontal wire between a and e.

google this to find picture
Answered by drwls
Google what? What does the ∑ symbol represent?

We need the picture to make sense of your question
Answered by Abdul
picture
webassign . net/pse/p28-23.gif
The ∑ symbol is just epsilon for the voltage in the picture
Answered by Nikki
∑ is sigma not epsilon. Sigma represents the sum. ε is the symbol for epsilon, which represents the voltage.
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