Question

1. A charge q is placed at the point of intersection of body diagonals of a
cube. The electric flux passing through any one of its face is.
(a) q/680
(b) 3q/80
(c) 6q/80
(d) q/380
2. When two capacitors, one of 3 uF and other of 6uF are connected in
series and the combination is charged to a potential difference of
120 V, the potential difference across 3uF capacitor is:
(a) 40 V
(b) 80 V
(C) 60 V
(d) 180 V
3. The specific resistance of a conductor increases with:
(a) Increase in temperature
(b) Increase in cross sectional area
(c) Decrease in length
(d) Decrease in cross sectional area
An electron in
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Answer 1

Explanation:

1 . [2] 3q/80

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2 .[3] 60 V

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3. [2] Increase in cross sectional area (length)

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