question_answer

In the given circuit the cells have zero internal resistance. The currents (in Amperes) passing through resistance \[{{R}_{1}}and\text{ }{{R}_{2}}\] respectively, are- [JEE Main Online Paper (Held On 10-Jan-2019 Morning]

A) 0.5, 0                           

B) 0, 1   

C) 1, 2                              

D)   2, 2

Correct Answer: A

Solution :

  Potential difference across \[{{R}_{1}}=10-0=10\text{ }volt\] i through \[{{R}_{1}}=\frac{10}{20}=0.5\text{ }Amp\] Potential difference across \[{{R}_{2}}=0-0=0\text{ }volt\] i through \[{{R}_{2}}=0\]