Dimensions of electric potential are
MLT-2 I-1
MLT-3 I-1
ML2T-3 I-1
ML2T-2 I-1
A parallel plate capacitor is charged by connecting the plates to a battery. The battery remains connected and a glass plate is inserted between the plates of the capacitor then
charge in the capacitor increases
charge in the capacitor decreases
voltage on the capacitor increases
voltage on the capacitor decreases
Two conducting spheres of radii 5cm and 3cm are charged so that the electric field on their surface are same. Calculate the ratio of the charges ?
3:5
5:3
9:25
25:9
When a sheet of glass is introduced between the two plates of a parallel plate capacitor, then which of the following quantities will increases?
Electric potential
The magnitude of the electric force
The electric intensity
The capacity of the capacitor
The supply of an additional charge to a charged capacitor will
Reduce its potential
Increase its potential
Reduce its capacity
Reduce the permittivity of the medium.
Work done is moving a charge from one point to another in an equipotential surface is
Zero
Infinity
Which of the following is a non polar dielectric ?
Hcl
NH3
H2O
O2
When two capacitors of capacitance C1 and C2 are connected in series their effective capacitance will be
C1+C2
C1C2/C1+C2
C1+C2/C1C2
C1 / C2
Two charged balls attract each other with a certain force.If they are allowed to touch and then separated to the same distance appart the two balls will
Attract with smaller force
Attract with greater force.
Repel with smaller force
Repel with greater force.
When two capacitors of capacitance C1 and C2 are connected in parallel their effective capacity will be
C1 + C2
C1 C2 /C1 + C2
C1 + C2 / C1 C2
2 ( C1 + C2 )
