If the resistance of a circuit is 3 ohms, and the voltage produced by the cell in the circuit is 12 volts, what's the magnitude of the current?
0.25 amperes
09 amperes
36 amperes
4 amperes

In a system, when potential energy decreases, then entropy also decreases. true false

The sun’s mass is 2.0×10^ 30 kg, its radius is 7.0×10 5 km, and it has a rotational period of approximately 28 days. if the sun should collapse into a white dwarf of radius 3.5×10 3 km, what would its period be if no mass were ejected and a sphere of uniform density can model the sun both before and after?

70 give a real life example showing how sensory neurons work with the motor neurons