A potential difference of 18 V is applied to a resistor whose resistance is 240 Ω . What is the current that flows through the r
esistor?
2 answers:
Answer:
0.075A
Explanation:
V = IR
where V - voltage, I - current, R - resistance
Hence, 18 = I * 240
I = 18/240
I = 0.075A
Answer: I = 0.075 A
Explanation: According to Ohm's Law Voltage is equal to the product of current and resistance or V= IR.
Derive for current I, I = V/R
I = V/R
= 18 V / 240 ohms
= 0.075 A
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