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Determine the maximum r-value of the polar equation r =3+3 cos 0

How does a circuit breaker protect a refrigerator? a. when the current is too high, a metal strip in the fuse melts and opens the circuit. b. when the resistance is too high , a re-settable which opens a circuit c. when the current is too high , a re-settable switch opens the circuit d. when the resistance is too high a metal strip in the fuse melts and opens the circuit

What you see with your eyes is a form of energy. a. light b. heat c. chemical d. electrical