Consider electromagnetic waves in free space. What is the wavelength of a wave that has the following frequencies? (a) 4.10 x 10
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First we need to find the current flowing in the circuit. The three resistors are in series, so the equivalent resistance of the circuit is the sum of the three resistances:
Then we can apply Ohm's law to the whole circuit, to find the current flowing:
And now we can apply Ohm's law to the resistor of
to find the voltage drop across it:
Then we can apply Ohm's law to the whole circuit, to find the current flowing:
And now we can apply Ohm's law to the resistor of