Capacitors Physics - Capacitors

• A
  $\frac{\text{Q}_1}{\text{Q}_2}<\frac{\text{C}_1}{\text{C}_2}$
• ✓
  $\frac{\text{Q}_1}{\text{Q}_2}=\frac{\text{C}_1}{\text{C}_2}$
• C
  $\frac{\text{Q}_1}{\text{Q}_2}>\frac{\text{C}_1}{\text{C}_2}$
• D
  $\frac{\text{Q}_1}{\text{Q}_2}=\frac{\text{C}_2}{\text{C}_1}$

Answer: B.

• A
  $2C$ and $2V$
• B
  $C$ and $2V$
• ✓
  $2C$ and $V$
   
• D
  $C$ and $V$

Answer: C.

• A
  $ Q_{+}>Q_{-} $
• ✓
  $ Q_{+}=Q_{-}$
• C
  $Q_{+}$
• D
  The information is not sufficient to decide the relation between $ Q_{+}$ and $ Q_{\text {-. }}$

Answer: B.

The equivalent capacitance of the combination shown in figure is:

• A
  $C$
• ✓
  $2C$
• C
  $\frac{\text{C}}{2}$
• D
  None of these.

Answer: B.

Figure shows two capacitors connected in series and joined to a battery. The graph shows the variation in potential as one moves from left to right on the branch containing the capacitors :

• A
  $C_1 > C_2$
• B
  $\mathrm{C}_1=\mathrm{C}_2$
• ✓
  $C_1 < C_2$
• D
  The information is not sufficient to decide the relation between $C_1$ and $C_2$.

Answer: C.