Question

(a) 0.1s
(b)
15
(c)
2.5 5
2.16 ENERGY STORED IN A CAPACITOR
- The expression of energy stored in a capacitor is given by
(a) E = CV?
(b) E='CV?
(c) E-C²v
(d) E
2
2
2
A capacitor of capacitance 1uF is fully charged from a 20V d.c. supply. What is the charge stared by he capacitor?
(a) 210
(b) 0.5uC
(c) 100C
(d) 200c
cy
- 1/C²V
Leg
(d) c
A capacitor has a capacitance of 100uF. How much charge is stored by the capacitor when a p.d. of 20V is applied ac
(a) 2.0x10C
(b) 3.6x10c
(c) 6.3x10 °C
(d) 7.3x10 c
Will a capacitor store more energy with a dielectric other than air?
(a) yes
(b) no
(C) any of the two (d) none of these
Two capacitors of capacitance 'C' each are connected in series. Their equivalent capacitance is
(a) C/2
(b)c
(c) 26
Three identical capacitors of capacitance 'C' each are connected in series and this combination is connected in paralle
one more identical capacitance. The capacitance of the whole combination is
3
2C
(a) 3
(6)
3C
с
(d)
3
4
In a charged capacitor, the energy resides
(a) in the negative plate
(b) in the positive plate
fc) in the field between the plates
(d) around the edge of the plates
Capacitors connected in parallel have
(a) the same electric intensities between their plates
(b) the same charge
C) a resultant equal to the sum of the individual capacitances (d) None of above
10)​

Answer 1

Answer:

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Answer 2

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