For the circuit in the figure below, find the following. (Take emf = 6.3 V, R =

Question

For the circuit in the figure below, find the following. (Take emf = 6.3 V, R = 5.2 ?, and r = 1.4 ?.)
Image: http://www.webassign.net/colfunphys1/20-p-006-alt.gif

(a) the magnitude of the current and the direction of positive current
magnitude:
direction:

(b) the potential difference across the battery terminals a and b


(c) the rate at which heat is being produced in the 5.2 ? resistor


(d) the rate at which heat is being produced inside the battery


(e) the rate at which the battery's chemical energy is being used

Explanation / Answer

(b) the potential difference across the battery terminals a and b

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