126. When current flow tries to decrease in an inductor, the magnetic field _______________ and the voltage polarity across the inductor _______________.
127. Electromagnetic induction is the generation of _________ from __________.
128. Inductive ___ represents the opposition to an alternating current.
129. The ___ cannot change instantaneously in an inductor.
130. The opposition to ac by an inductor is directly proportional to ___.
131. An RL integrator can act as a __________ filter and an RC differentiator can act as a __________ filter.
132. Electricity may be generated by a wire:
133. In the given circuit, what will the voltage be across R3 25 s after the switch is moved to position 2?
134. The electrical energy consumed by a coil is stored in the form of:
135. What is magnetic flux?
136. As current travels within a conductor:
137. What type of device consists of a coil with a moveable iron core?