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If the current in a circuit is doubled while the resistance remains constant, wh
If the current in a circuit is doubled while the resistance remains constant, what happens to the voltage?
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Practice Questions
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Q1
If the current in a circuit is doubled while the resistance remains constant, what happens to the voltage?
It doubles
It halves
It remains the same
It quadruples
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According to Ohm's Law, if the current (I) is doubled and resistance (R) remains constant, the voltage (V) must also double.
Questions & Step-by-step Solutions
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Q
Q: If the current in a circuit is doubled while the resistance remains constant, what happens to the voltage?
Solution:
According to Ohm's Law, if the current (I) is doubled and resistance (R) remains constant, the voltage (V) must also double.
Steps: 7
Show Steps
Step 1: Understand Ohm's Law, which states that Voltage (V) = Current (I) x Resistance (R).
Step 2: Identify that in this scenario, the resistance (R) is constant.
Step 3: Note that if the current (I) is doubled, we can represent this as I' = 2I, where I' is the new current.
Step 4: Substitute the new current into Ohm's Law: V' = I' x R.
Step 5: Replace I' with 2I in the equation: V' = (2I) x R.
Step 6: Simplify the equation: V' = 2(IR) = 2V, where V is the original voltage.
Step 7: Conclude that if the current is doubled, the voltage must also double.
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