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BITSAT 2016
Exam
BITSAT
Year
2016
Subject
Physics
Chapter
Capacitance

BITSAT 2016 · Physics · Capacitance

In the figure below, what is the potential difference between the...

In the figure below, what is the potential difference between the point AA and BB and between BB and CC respectively in steady state In the figure below, what is the potential difference between the point A and B and between B and C respectively in

Options

  1. AVAB=VBC=100V\quad V_{A B}=V_{B C}=100 \mathrm{ V}
  2. BVAB=75V,VBC=25V\quad V_{A B}=75 V, V_{B C}=25 V
  3. CVAB=25V,VBC=75V\quad V_{A B}=25 V, V_{B C}=75 V
  4. DVAB=VBC=50V\quad V_{A B}=V_{B C}=50 \mathrm{ V}

Correct answer

C. VAB=25V,VBC=75V\quad V_{A B}=25 V, V_{B C}=75 V

Step-by-step solution

The equivalent circuit is shown in figure. V1+V2=100 and 2V1=6V2\begin{array}{l} V_{1}+V_{2}=100 \\ \text{ and }2 V_{1}=6 V_{2} \end{array} \\ On solving above equations, we get V1=75V,V2=25VV_{1}=75 V, V_{2}=25 V
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