Resistors, Inductors and Capacitors in an A.C. circuit (Part 1)

Poll

How are you feeling?

Multiple Choice

In a purely resistive A.C. circuit, the relation between the voltage and current are as such:

• The voltage leads the current by 90⁰

• The voltage and current are in phase

• The current leads the voltage by 90⁰

Multiple Choice

In a purely inductive A.C. circuit, the relation between the voltage and current are as such:

• The voltage leads the current by 90⁰

• The voltage and current are in phase

• The current leads the voltage by 90⁰

Multiple Choice

In a purely resistive A.C. circuit, the relation between the voltage and current are as such:

• The voltage leads the current by 90⁰

• The voltage and current are in phase

• The current leads the voltage by 90⁰

Multiple Choice

The formula for inductance reactance (X_L ) is __________ and it is measured in ohms.

• $$2\pi fR$$  

• $$2\eta fL$$  

• $$2\pi fL$$  

• $$2\pi fT$$  

Multiple Choice

The formula for Impedance in an RL circuit is given as

• $$Z=\sqrt[]{R^2+X_L^2}$$  

• Z=\sqrt[]{R^2+X_L^2}