<p><math xmlns="http://www.w3.org/1998/Math/MathML"><msub><mi>B</mi><mn>1</mn></msub><mo>,</mo><mo>&#160;</mo><msub><mi>B</mi><mn>2</mn></msub><mo>&#160;</mo><mi>a</mi><mi>n</mi><mi>d</mi><mo>&#160;</mo><msub><mi>B</mi><mn>3</mn></msub></math>&nbsp;are three idential bulbs connected as shown in the figure. When all the three bulbs glow, a current of 3A recorded by the ammeter A.</p>

<p><img alt="" src="https://school.achievam.com/upload/questionbank/question/que_1758469271.PNG" style="height:150px; width:173px" /></p>

<p>(i) What happens to the glow of the other two bulbs when the bulb&nbsp;<math xmlns="http://www.w3.org/1998/Math/MathML"><msub><mi>B</mi><mn>1</mn></msub></math>&nbsp;gets fused?</p>

<p>(ii) What happens to the reading of&nbsp;<math xmlns="http://www.w3.org/1998/Math/MathML"><msub><mi>A</mi><mn>1</mn></msub><mo>,</mo><mo>&#160;</mo><msub><mi>A</mi><mn>2</mn></msub><mo>,</mo><mo>&#160;</mo><msub><mi>A</mi><mn>3</mn></msub><mo>&#160;</mo><mi>a</mi><mi>n</mi><mi>d</mi><mo>&#160;</mo><mi>A</mi></math>&nbsp;when the bulb&nbsp;<math xmlns="http://www.w3.org/1998/Math/MathML"><msub><mi>B</mi><mn>2</mn></msub></math>&nbsp;gets fused?</p>

<p>(iii) How much power is dissipated in the circuit when all the three bulbs glow together?</p>