Given the circuit shown in the figure, use the words “increases,” “decreases,” or “stays the same” to complete the following statements. (a) If R7 increases, the potential difference between A and E _____. Assume no resistance in the ammeter and the power supply (b) If R7 increases, the potential difference between A and E _____. Assume nonzero resistance in the ammeter and the power supply (c) If R7 increases, the voltage drop across R4 _____.
Given the circuit shown in the figure, use the words “increases,” “decreases,” or “stays the same” to complete the following statements.
(a) If R7 increases, the potential difference between A and E _____. Assume no resistance in the ammeter and the power supply
(b) If R7 increases, the potential difference between A and E _____. Assume nonzero resistance in the ammeter and the power supply
(c) If R7 increases, the voltage drop across R4 _____.
(d) If R2 decreases, the current through R1 _____.
(e) If R2 decreases, the current through R6 _____.
(f) If R2 decreases, the current through R3 _____.
(g) If R5 increases, the voltage drop across R2 _____.
(h) If R5 increases, the voltage drop across R4 _____.
(i) If R2, R5, and R7 increase, ℇ (r = 0) _____.
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