Acircuit contains three light bulbs in parallel. after observation, a fourth light bulb is added, also in parallel. how does the intensity of the four light bulb circuit compare with the intensity of the three light bulb circuit? a) it is lower in intensity. b) it is higher in intensity. c) it has the same intensity. d) the circuit is not operational.

The space within which a test north pole experiences a force magnetic poles 2. a powerful stream of electrons flowing high above the earth in the ionosphere electrojet 3. a concept to explain the directional nature of a magnetic field field lines 4. coil of wire designed to produce a magnetic field by a current passing through its windings ionosphere 5. that region above the earth's atmosphere where particles exist in an ionized state magnetic field 6. the extremities of a magnet where the field lines tend to converge or concentrate aurora borealis 7. a phenomenon that occurs in the northern latitudes; the northern lights solenoid