AIPMT 2002 | Electrostatics Question 79 | Physics

AIPMT 2002

MCQ (Single Correct Answer)

-1

A capacitor of capacity C₁ charged upto V volt and then connected to an uncharged capacitor of capacity C₂. The final potential difference across each will be

$${{{C_1}V} \over {{C_1} + {C_2}}}$$

$${{{C_2}V} \over {{C_1} + {C_2}}}$$

$$\left( {1 - {{{C_2}} \over {{C_1}}}} \right)V$$

$$\left( {1 + {{{C_2}} \over {{C_1}}}} \right)$$

AIPMT 2001

MCQ (Single Correct Answer)

-1

A dipole of dipole moment $$\overrightarrow p $$ is placed in uniform electric field $$\overrightarrow E $$ then torque acting on it is given by

$$\overrightarrow \tau = \overrightarrow p .\overrightarrow E $$

$$\overrightarrow \tau = \overrightarrow p \times \overrightarrow E $$

$$\overrightarrow \tau = \overrightarrow p + \overrightarrow E $$

$$\overrightarrow \tau = \overrightarrow p - \overrightarrow E $$

AIPMT 2001

MCQ (Single Correct Answer)

-1

A charge Q$$\mu $$C is placed at the centre of a cube, the flux coming out from each face will be

$${Q \over {6{\varepsilon _0}}} \times {10^{ - 6}}$$

$${Q \over {6{\varepsilon _0}}} \times {10^{ - 3}}$$

$${Q \over {24{\varepsilon _0}}}$$

$${Q \over {8{\varepsilon _0}}}$$

AIPMT 2001

MCQ (Single Correct Answer)

-1

Energy per unit volume for a capacitor having area A and separation d kept at potential difference V is given by

$${1 \over 2}{\varepsilon _0}{{{V^2}} \over {{d^2}}}$$

$${1 \over {2{\varepsilon _0}}}{{{V^2}} \over {{d^2}}}$$

$${1 \over 2}C{V^2}$$

$${{{Q^2}} \over {2C}}.$$

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