What charges must the particles have to create the electric field shown? O A. X is positive and Y is negative.
O B. X and Y are both positive.
O C. X and Y are both negative.
O D. X is negative and Y is positive.

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