Consider a circuit in which three resistors of 10 Ω, 20 Ω and 30 Ω are connected in parallel to each other to a cell of 220 V. The effective resistance and the current in the 20 Ω resistor are __________ and _________, respectively.
1
\(\rm \frac{30}{11 }\ \Omega, \ 11\ A\)
2
\(\rm \frac{30}{11 }\ \Omega, \ 22\ A\)
3
\(\rm \frac{60}{11 }\ \Omega, \ 22\ A\)
4
\(\rm \frac{60}{11 }\ \Omega, \ 11\ A\)