⚡ Single-problem Revision Cards (8)
Wheatstone
Wheatstone Bridge of Capacitors
Balanced-bridge reduction
Series vs Parallel
Series vs Parallel Ratio
\(C_p / C_s = n^2\)
Square Loop
Square Loop of Capacitors
Symmetric reduction
Square Loop · P–Q
Square Loop P–Q (all 1 μF)
\(C_{PQ} = \mathbf{4/3}\,\mu F\)
P–Q Network
Resultant Capacitance P–Q
Network reduction
Q3 · P–Q Network
Q3 — Resultant Capacitance P–Q
Network reduction
Mixed Network
Effective Capacitance 28/9
\(C_{\text{eff}} = \mathbf{28/9}\,\mu F\)
Complex Loop
Equivalent Capacitance 240/71
\(C_{\text{eq}} = \mathbf{240/71}\,\mu F\)
📑 Grouped MCQ Revision Sheets (4)
MCQ Sheet
MCQ 7 · 9 · 10
Three problems
MCQ Sheet
MCQ 11 & 12
Two problems
MCQ Sheet
MCQ 13 & 14
Two problems
MCQ Sheet
MCQ 15 · 16 · 21 · 22
Four problems
🔢 Numbered Q-cards · Q20 – Q45 (13)
Q20 · Energy supplied
Capacitor connected to a battery — energy supplied
Battery work vs stored energy
Q23 · Conductor slab
Copper slab inside a capacitor
Effective gap \(d - t\)
Q24 · Dielectric swap
Swapping the dielectric (isolated capacitor)
Q-fixed scaling
Q25 · 4-cap network
Four-capacitor network — charge & PD across 4 μF
Network reduction
Q26 · Q27 · Series
Series capacitors
Two problems
Q28 · Q29 · Networks
Capacitor networks
Two problems
Q30 · Q35 · Networks
Capacitor networks
Two problems
Q31 · Q32 · Dielectric + Sharing
Dielectric field & charge sharing
Two problems
Q33 · Q34 · Sharing + Mixed
Charge sharing & mixed network
Two problems
Q36 → Q39 · Networks
Capacitor networks
Four problems
Q40 → Q43 · Networks
Capacitor networks
Four problems
Q44 · Charging energy
Work done charging two parallel condensers
Energy balance
Q45 · Two-switch
Two switches — charge finally on C₂
Switch-transfer problem