Question

U
CHECK LIST-3
1. What is the nature of electronic charge ?
2. The magnitude of charge on electron is :
I 9.1 x 10-31 C
1.67 10-27 C
1.59 x 10-19 C.
3. Value of absolute permitivity is :
1
8.85 x 10-12 C2 N-1 m 2
9x 109 C2 N1 m 2
C² N1 m²
9 x 109
4. Units of permitivity are :
O C2 N-1 m 2
o C-2 N1 m
Fm-1.
5. Dimensional formula of permitivity is :
[ML-3 T4 A2] [M1 L3 T4 A-2
ML-3 T4 A2]
M1 -3 7-4 A2).
6. Relative permitivity of medium:
(0)
O has units
has no units.
7. Two point charges are situated at P and Q,
separated certain distance apart as shown
Ро
in Fig. (a).
(ii)
PO
Mark (1) FpQ and Fap in Fig. ali)
(a)
(i) 7po and Top in Fig. ali)
8. Can we say that "Coulomb's force is a
central force." ? If so, state the reasons in
q
>F1
favour of this statement.
9. Fig. (b) shows two pairs of charges
29
separated some distance apart. Determine
→ -F2
the value of F2/F1.
r/2
(b)
10. Two charges are placed some distance
apart. One charge is increased four times while the other is halved. How should the distance
thom he changed so that the force between them remains unchanged ?
F
q/8​

Answer 1

Answer:

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Answer 2

Answer:

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Explanation:

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