A0.45-m metal rod moves 0.11 m in a direction that is perpendicular to a 0.80-t magnetic field in an elapsed time of 0.036 s. assuming that the acceleration of the rod is zero m/s2, determine the emf that exists between the ends of the rod.

Current from a charged capacitor lights a bulb. as time goes on the brightness of the

State the below theories and give the name of the writer of the theory 1. wave theory 2. quantum theory 3. corpuscular theory 4. electromagnetic theory

A1500 w electric heater is plugged into the outlet of a 120 v circuit that has a 20 a circuit breaker. you plug an electric hair dryer into the same outlet. the hair dryer has power settings of 600 w, 900 w , 1200 w, and 1500 w. you start with the hair dryer on the 600 w setting and increase the power setting until the circuit breaker trips. under what setting does the circuit breaker trip.