calculate the following
(a) effective resistance of 8 ohm resistor in combination.
(b) current flowing through 4 ohm resistor.
(c) potential difference across 4 ohm resistor.
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Answer:(i) since resistances are connected in parallel
Therefore, effective resistance 1/R’ = 1/8+1/8 = 1/4
R’ = 4Ω
(ii) Current can be calculated with the help of Ohm’s law:
I = V/R = 8/4 = 2 A
(iii)Potential difference is given by, V= IR
V= 4 × 2 =8 Watt
Explanation:
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