Day 630: JEE Mains Physics

1. A.
2. B.
3. C.
4. D.

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1. A.
   $50\text{ }V$
2. B.
   $75\text{ }V$
3. C.
   $150\text{ }V$
4. D.
   $275\text{ }V$

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1. A.
   $\frac{1}{4\pi\varepsilon_{0}}\frac{q}{l^{2}}$
2. B.
   $\frac{1}{4\pi\varepsilon_{0}}\frac{q}{\left( 2l^{2} \right)}(2\sqrt{2} - 1)$
3. C.
   $\frac{q}{4\pi\varepsilon_{0}(2l)^{2}}$
4. D.
   $\frac{1}{4\pi\varepsilon_{0}}\frac{2q}{2l^{2}}(\sqrt{2})$

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