Answer to Question #333826 in Physics for Quinn

Question

A. What is the resistance of an electric frying pan that draws 12 amperes of current when connected to a 120-volt circuit?

 

B. How much current is drawn by a lamp that has a resistance of 100 ohms when a voltage of 50 volts is impressed across it?

with solution thank you!

Answer 1

A.

$$R=\frac{V}{I}=\rm\frac{120\: V}{12 \: A}=10\: \Omega$$

B.

$$I=\frac{V}{R}=\rm\frac{50\: V}{100\:\Omega}=0.5\: A$$