Which of the following does not change the resistance of a wire? 1 the medium around a wire.
2 the temperature of a wire
3 the length of a wire
4 the thickness ofa wire

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

Humidity is to blame for that muggy, steamy feeling you experience on some hot summer days. what gas in the atmosphere causes humidity? a) oxygen b) hydrogen c) nitrogen d) water vapor

The force it would take to accelerate an 900-kg car at the rate of 6m/s2