Grade 12Electric Current
In the figure current through 3 ohm resistor is 0.8A, then find the potential drop through 4 ohm resistance.
In the figure current through 3 ohm resistor is 0.8A, then find the potential drop through 4 ohm resistance.
1 Answer
Arun
Approved Tutor Answer8 Years agocurrent through 3 ohm = 0.8 A
since potential drop in parallel are same.
hence
0.8 * 3 = i * 6
i = 0.4 A
hence current in 6 ohm resistor = 0.4 A
now current in 4 ohm = 0.8 + 0.4 = 1.2 A
hence potential drop across 4 ohm = 4 * 1.2 = 4.8 Volts
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