Atransformer with primary turns 30, secondary 40 with shared core has mutual inductance of 12 henries. the self-inductance of the primary would be and the secondary

Which of the following is an example of competition a. the leaves of a tree prevent a small shrub from getting sunlight. three species of birds feed a different heights in the same tree. b. three species of birds feed at different heights in the same tree c. zebra and giraffe’s feed on different grassland plants d. cats living in two different homes eat the same brand of cat food.