I attempted to answer and got 0m, please explain how to get to the answer.
1 answer:
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Let's call R the value of the resistance of the two resistors. In the first situation, the resistors are connected in parallel, so their equivalent resistance is given by:
which means:
And calling I the current in the circuit, the voltage is given by Ohm's law:
In the second situation, the resistance of each resistor is doubled: R'=2R. So, the equivalent resistance in this case is given by
which means
And the new voltage is given by:
<span>which is twice the original voltage, so the voltage has doubled.
</span><span /><span>
</span>
which means:
And calling I the current in the circuit, the voltage is given by Ohm's law:
In the second situation, the resistance of each resistor is doubled: R'=2R. So, the equivalent resistance in this case is given by
which means
And the new voltage is given by:
<span>which is twice the original voltage, so the voltage has doubled.
</span><span /><span>
</span>