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WorksheetsCapacitors and Dielectrics
Total questions: 10
Worksheet time: 11mins
When capacitors is arrange in series (3 capacitors), the equivalent capacitance C is
C = C1 + C2 + C3
1/C = 1/C1 + 1/C2 + 1/C3
C = QV1 + QV2 + QV3
C = CR1 + CR2 + CR3
When capacitors in parallel (3 capacitors), the equivalent capacitance is
C = C1 + C2 + C3
C = 1/C1 + 1/C2 + 1/C3
C = QV1 + QV2 + QV3
C = QV1 + QV2 + QV3
The energy stored in the capacitor can be find by using this equation EXCEPT
1/2QV
1/2Q2/C
1/2CV2
1/2RC2
During charging a capacitor through a resistor
the current in the circuit increases linearly with time
the current in the circuit decreases linearly with time
the current in the circuit increases exponentially with time
the current in the circuit decreases exponentially with time
During discharging a capacitor through a resistor
the current in the circuit increases linearly with time
the current in the circuit decreases linearly with time
the current in the circuit increases exponentially with time
the current in the circuit decreases exponentially with time
How is the capacitance (C) of a parallel-plate capacitor affected by the charge on the plates ?
C depend on the charge on the plates
C is vanished when there are plates
C does not depend on the charge on the plates
C is accumulated on one side only
How is the capacitance of a parallel-plate capacitor affected by the potential difference across the capacitor ?
C depend on the potential difference across the capacitor
C does not depend on the potential difference across the capacitor
C partially depend on the potential difference across the capacitor
C sometime depend on the potential difference across the capacitor
How is the capacitance of a parallel-plate capacitor affected by the area of each plate?
C is directly proportional to the area A of each plate
C is inversely proportional to the area A of each plate
C is partially proportional to the area A of each plate
C is fully proportional to the area A of each plate
How is the capacitance of a parallel-plate capacitor affected by the distance between the plates ?
C is directly proportional to the area A of each plate
C is inversely proportional to the distance d between the plates
C is partially proportional to the area A of each plate
C is not affected by the area A of each plate
How is the capacitance of a parallel-plate capacitor affected by filling the space between the plates with an insulator ?
C stable when the space between the plates is filled with an insulator, εr >1
C reduces when the space between the plates is filled with an insulator, εr >1
C increases when the space between the plates is filled with an insulator, εr >1
C fluctuate when the space between the plates is filled with an insulator, εr >1
