• The current through a wire connected to a condenser varies with me
The charge transport to the condenser from t=3s to t = 5 is
A)5C
B) 55C
C)30C
D) 60C
• when a wire is drawn until its radius decreases by 1% then percentage of increase in resistance is, volume is constant
A) 10%
B) 4%
C) 6%
D)12%
• An electric current is passed through a circuit containing two wires of the same
material, connected in parallel. If the lengths and radii of the wires are in the ratio
4/3 & 2/3 then the ratio of the currents passing through the wires will be
A)3
B)1/3
C)8/9
D)2
• In a meter bridge experiment two unknown resistances x and y are connected to left
and right gaps of a meter bridge and the balancing point is obtained at 20 cm from
right then the new position of the null point from left is one decides balance a resistance of 4x against y is
A)93cm
B) 80 cm
C) 94.1cm
D) 70 cm
Answers
Answered by
1
Answer:
5 C
10%
2
70
Explanation:
I hope these answers are correct
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