You are to connect resistors R1 and R2, with R1 > R2, to a battery, first individually, then in series, and then in parallel. Rank those arrangements according to the amount of current through the battery, greatest first.

A circuit consists of a resistor R1 = 126 Ω, a resistor R2 = 275 Ω, a capacitor C = 182 mF, a switch, and an e = 3.00-Vbattery, all connected in series. Initially the capacitor is uncharged and the switch is open. At time t = 0 the switch isclosed. (a) What charge will the capacitor have a long time after the switch is closed? (b) At what time will the chargeon the capacitor be 80.0% of the value found in part (a)?

The drawing shows a circuit that contains a battery, two resistors, and a switch. What is the equivalent resistance of the circuit when the switch is (a) open and (b) closed? What is the total power delivered to the resistors when the switch is (c) open and (d) closed? (a) Number i (b) Number (c) Number (d) Number i 9.00 V Units Units Units Units Switch R₁ = 65.00 R₂ = 96.00

Initially, a single resistor R1 is wired to a battery.Then resistor R2 is added in parallel. Are (a) the potential difference across R1 and (b) the current i1 through R1 now more than, less than, or the same as previously? (c) Is the equivalent resistance R12 of R1 and R2 more than, less than, or equal to R1? (d) Is the total current through R1 and R2 together more than, less than, or equal to the current through R1 previously?

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In the circuit below, all four resistors are identical (R, = R2 = R3 = R4 = R) and the battery has a voltage of 5.06 V. R1 R2 V R3 R4 (a) When the switch is placed in position 1, the measured current in the battery is 1.2 mA. What is the value of each resistor? kΩ (b) When the switch is placed in position 2, what is the current flowing out of the battery? (c) When the switch is open (neither in position 1 or position 2), what is the current flowing out of the battery?

Lightning is a spectacular example of electric current in a natural phenomenon. There is much variability to lightning bolts, but a typical event can transfer 10^9 J of energy across a potential difference of perhaps 5 x 10^7 V during a time interval of about 0.2 s. Use this information to estimate (a) the total amount of charge transferred between cloud and ground (b) the current in the lightning bolt (c) the average power delivered over the 0.2 s.