(a) Two resistors are connected in series across a battery. The power delivered to each resistor is (i) The same or (ii) Not necessarily the same. (b) Two resistors are connected in parallel across a battery. The power delivered to each resistor is (i) The same or (ii) Not necessarily the same.
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Two resistances, R1 and R2, are connected in series across a 12-V battery. The current increases by 0.20 A when R2 is removed, leaving R1 connected across the battery. However, the current increases by just 0.10 A when R1 is removed, leaving R2 connected across the battery. Find (a) R1 and (b) R2.
A resistor and a capacitor are connected in series to an emf source. The time constant for the...... ... added in series. What is the time constant for this new circuit? (b) In the original circuit a second capacitor, identical to the first, is connected in parallel with the first capacitor. What...
Two identical resistors are connected in parallel across a 25-V battery, which supplies them with...... ... of the resistors is heated so that its resistance doubles. The resistance of the other resistor remains unchanged. Find (a) The initial resistance of each resistor and (b) The total power...
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A ski resort consists of a few chairlifts and several interconnected downhill runs on the side of a mountain, with a lodge at the bottom. The lifts are analogous to batteries and the runs are analogous to resistors. Describe how two runs can be in series. Describe how three runs can be in parallel....