Question 33
Question 33 of 40
Question image for Q33
You can solve this MCQ to see its answer, but your attempt won't be logged unless you login
No letter options?
Older MCQs might not have the typical A, B, C, D choices. They have choices 1, 2, 3, and a combination of them is the answer. Below is the key that maps such combinations to the answer.
A 1, 2 and 3 are correct
B 1 and 2 only are correct
C 2 and 3 only are correct
D 1 only is correct
Topics Tested
4. Electricity and magnet...
4.5.6. The transformer

Describe the structure and explain the principle of operation of a simple iron-cored transformer

4. Electricity and magnet...
4.2.2. Electrical current

Know the difference between direct current (d.c.) and alternating current (a.c.)