Given the circuit shown in Fig. 19-30 use the words \"increases, \" \"decreases,

Question

Given the circuit shown in Fig. 19-30 use the words "increases, " "decreases, " or "says the same" to complete the following statements: (a) If R_7 increases, the potential difference between A and E (assume no resistance in A and C) _____. (b) If R_7 increases, the potential difference between A and E (assume A and E have resistance) _____. (c) If R_7 increases, the voltage drop across R_4 _____. (d) If R_2 decreases, the current through R_1_____. (e) If R_2 decreases, the current through R_6 _____. (f) If R_2 decreases, the current through R_3 _____. (g) If R_5 increases, the voltage drop across R_2_____. (h) If R_5 increases, the voltage drop across R_4 _____. (i) If R_2, R_5, and R_7 increase, E _____.

Explanation / Answer

(a) stays the same

(b) increases

(c) decreases

(d) increases

(e) increases

(f) decreases

(g) decreases

(h) decreases

(i) stays the same

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