Question

You have a 10 volt parallel circuit, with 2 resistors on it. What is the voltage across the first resistor? Across the second?

Answer 1

If both resistors are equal, it is 5 V (if the wires have no resistance). If they are different, you can use a formula: U1 = U * R1/(R1+R2)

Answer 2

Voltage across the first resistor is 5 Volts. If they are different,  use voltage division formula: V1 = V x R1/(R1+R2) and V2 = V x R2 /(R1 +R2).

What is resistor?

An electrical component of the circuit which resist the flow of current.

If both resistors are equal in magnitude, the voltage is 5 Volt. If they are different in values, use voltage division formula: V1 = V * R1/(R1+R2).

Learn more about resistor.

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