Circuit current calculation
We connect a 9 V battery, 2 light bulbs in parallel, and a switch to the circuit. When the switch is turned on, a current of 0.5 A passes through the first bulb and a current of 8 A through the unbranched part of the circuit. Draw the connection and calculate the ratio of the branches I1: I2 and the ratio of the resistances of the bulbs.
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