Q. A $100,Omega$. resistor is connected to a $220,V$, $50,Hz$ ac supply. The rms value of current in the circuit is

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A $100,Omega$. resistor is connected to a $220,V$, $50,Hz$ ac supply. The rms value of current in the circuit is

Solution:

Here, $R=100,Omega$,

$V_{rms}=220,V$,

$upsilon=50,Hz$

$therefore I_{rms}=frac{V_{rms}}{R}$

$=frac{220}{100}$

$=2.2,A$