Mass of three wires of copper are in the ratio 1:3:5 and their lengths are in the ratio 5:3:1 The ratio of their electrical resistances is 1:3:5 b) 5:3:1 c) 1: 15: 125 d) 125 : 15:1
Mass of three wires of copper are in the ratio 1:3:5 and their lengths are in the ratio 5:3:1 The ratio of their electrical resistances is 1:3:5 b) 5:3:1 c) 1: 15: 125 d) 125 : 15:1
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11 Mass of three wires of copper are in the ratio 1:3:5 and their lengths are in the ratio 5: 3: 1 The ratio
of their electrical resistances is
1:3:5
b) 5:3:1
c) 1: 15: 125
d) 125 : 15: 1
In a discharge tube the number of hydrogen ions (protons) interacting across a cross - section per second
is 1 x 10 while the number of electrons drifting in the opposite direction across another cross - section
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