Question 246: AC fundamentals

Question

A circuit has a resistance of $$12$$ $$ohm$$ and an impedance of $$15$$ $$ohm$$. The power factor of the circuit will be

Accepted Answer

Power factor $$ = \cos \phi  = {R \over Z} = {{12} \over {15}} = {4 \over 5} = 0.8$$

Answer

$$0.4$$

Answer

$$0.8$$

Answer

$$0.125$$

Answer

$$1.25$$

AC fundamentals