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WorksheetsCapacitors
Total questions: 10
Worksheet time: 6mins
Capacitor is a device used to store ----
electric charge and power
electric charge and electric energy
electric energy and power
power and potential
SI unit of capacitance is
Coulomb per newton
Coulomb per volt
volt per meter
.newton
Total charge stored in the Capacitor is
infinity
zero
100 micro farad
increases
The work done is stored as ---------in the capacitor.
magnetic energy
electrical energy
electrostatic potential energy
kinetic energy
Energy density in the capacitor is depends only on the
capacitance
electric field
size
potential
If dielectric is inserted ,When the battery is connected the electric filed is
increases
constant
decreases
zero
If three resistors connected in parallel connection ,then effective resistance is ----μF, C1=5μF, C2=10μF,C3=15μF
15
5
20
30
If dielectric is inserted, When the battery is connected the capacitance is
decreases
increases
constant
zero
Capacitance of the capacitor is
C=εA/ d
C=Ad
C0= ε0 A/d
C=εAd
Capacitors is used to ---------- the efficiency of power transmission
increase
decrease
