The flow of current through a resistor v...

The flow of current through a resistor varies directly with the voltage (V) across it. When voltage across the resistor is 30 volts, the flow of current through it is 5A. What is the flow of current when the voltage across it is 60 volts?

`10 A`

`2.5 A`

`5A`

`20 A`

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