Answer Happy

Question 3 1 pts ASH inductor carries a current of 2 amps. How can a self-induced emf of 50 volts be made to appear across the inductor? Change the current to 10 amps Change the current uniformly to zero in 20 seconds Break the circuit instantaneously Change the current at the rate of 10 amps/sec None of these
Question 4 1 pts A negatively charged particle is moving to the right, directly above a wire having a current flowing to the right, as shown in the figure in which direction is the magnetic force exerted on the particle? -0 into the page downward upward out of the page The magnetic force is zero since the velocity is parallel to the current.