Question

In a parallel circuit, two resistors have a resistance of 2 ohms and 6 ohms. The current across each resistor is 6 A and 2 A, respectively. What is the voltage?

Answer 1

`12\ \text{Volts`

Explanation:

The voltage across two parallel resistors always equal.

Hence the voltage `V=IR` across a resistor `R=2\ Omega` carrying a current `I=6\ A` will be equal to the voltage across a resistor `R=6\ Omega` carrying a current `I=2\ A`.

Now, the voltage across any of two parallel resistors

`V=IR`

`V=2\cdot 6=12\ \text{Volts`

or

`V=6\cdot 2=12\ \text{Volts`