1. Find the maximum current in an ac circuit where the instantaneous current at = 45.0...

1. Find the maximum current in an ac circuit where the instantaneous current at θ = 45.0° is 4.00 A.

2. The instantaneous voltage in an ac circuit at θ = 55.0° is 450V. Find the maximum voltage.

3. If Imax = 4.59 A and I = 4.32 A, what is θ?

4. If I = 1.23 A, and Imax = 3.41 A, what is θ?

5. Find the effective value of an ac voltage whose maximum voltage is 2250 V.

6. Find the maximum current in an ac circuit with an effective value of 6.00 A.

7. Find the effective value of an ac voltage whose maximum voltage is 165 V.

8. Find the maximum current in an ac circuit with an effective value of 4.00 A.