Electro Magnetic Induction And Alternating Currents Question 295
Question: Assertion : A transformer cannot work on dc supply. Reason : dc changes neither in magnitude nor in direction.
Options:
A) If both assertion and reason are true and the reason is the correct explanation of the assertion.
B) If both assertion and reason are true but reason is not the correct explanation of the assertion.
C) If assertion is true but reason is false.
D) If the assertion and reason both are false.
E) If assertion is false but reason is true.
Show Answer
Answer:
Correct Answer: A
Solution:
Transformer works on ac only, ac changes in magnitude as well as in direction.
BETA
