Find The Current drawn from the battery with four resistors shown in figure
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Find The Current drawn from the battery with four resistors shown in figure
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Answer:
First we need to find the equivalent resistance
Three resistors are in series and only one in parallel
hence the equivalent resistance will be-
10 ohm + 10ohm + 10ohm
= 30 ohm
now the 30 ohm and 10 ohm resistor are in parallel
1/R = 1/ 10 + 1/30
1/R = 4 / 30
R = 7.5 ohm
hence the equivalent resistance is 7.5 ohm
now current = voltage / equivalent resistance
= 3/7.5
= 0.4 Ampere
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