The equivalent resistance if you connect three 10.0 Ω resistors in series will be 30 ohms.
What is series circuit?
In the series circuit, the amount of current flowing through any component in a series circuit is the same and the sum of the individual resistances equals the overall resistance of any series circuit.
The voltage in a series circuit, the supply voltage, is equal to the total of the individual voltage drops.
[tex]\rm R_{eq}= R_1+R_2+R_3 \\\\ R_{eq}=10+10+10 \\\\ R_{eq}=30 \ ohms[/tex]
Hence, the equivalent resistance will be 30 ohms.
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