Use Kirchhoff’s loop theorem to explain why the current in an RC circuit that is discharging a capacitor decreases as time goes on. Use the loop theorem to explain why the current in a charging RC circuit also decreases with time.
Answer to relevant Questions(a) What would happen if an ammeter were connected in parallel with a current-carrying circuit element? (b) What would happen if a voltmeter were connected in series with a current-carrying circuit element? Draw the circuit diagrams indicating the correct placement for the voltmeter in the following situations. (Use a circle with an “V” in it to represent the voltmeter.) (a) Three resistors are wired in parallel and you ...What is the equivalent resistance of the resistors in Fig. 18.28? Two resistors R1 and R2 are in series with a 7.0-V battery. If R1 has a resistance of 2.0-Ω and R2 receives energy at the rate of 6.0 W, what is (are) the value(s) for the circuit’s current(s)? (There may be more than ...Apply Kirchhoff’s rules to the circuit in Fig. 18.36, and find (a) The current in each resistor and (b) The rate at which energy is being delivered to the 8.0-Ω resistor 8.0.
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