If a wire of resistance \[20\,\Omega \] is covered with ice and a voltage of 210 V is applied across the wire, then the rate of melting of ice is [AFMC 1997]

• A. \[0.85\,g/s\] 
• B. \[1.92\,g/s\]
• C. \[\frac{1}{140}\]   
• D. All of these