1. What is the maximum voltage in a circuit when the instantaneous value of the voltage is 95.4 V at θ = 62°?

2. If the maximum ac voltage on a line is 185 V, what is the instantaneous voltage at θ = 41°?

3. If the maximum ac voltage on a line is 175 V, what is the instantaneous voltage at θ = 23°?

4. What is the effective value of an ac voltage whose maximum voltage is 135 V?

5. What is the maximum current in a circuit with a current rated at 6.35 A?

6. What power is developed by a device that draws 6.87 A and has a resistance of 15.4 Ω?

7. A heating element draws 4.50 A on a 110-V line. What power is used in the element?

8. What power is used by a heater with resistance 22.3Ω and that draws a current of 7.65 A?