The figure below shows the time variation of the current through an electrical heater when it is plugged into a 220V, 60Hz outlet.
![2215_The time variation of the current.png](https://secure.tutorsglobe.com/CMSImages/2215_The%20time%20variation%20of%20the%20current.png)
1. What is the peak voltage?
2. What is the rms value of the current drawn by the heater?
3. What is the resistance of the heater?