Electro Magnetic Induction And Alternating Currents Question 542
Question: A coil and a bulb are connected in series with a dc source, a soft iron core is then inserted in the coil. Then [MP PMT 1990; RPET 2001]
Options:
A) Intensity of the bulb remains the same
B) Intensity of the bulb decreases
C) Intensity of the bulb increases
D) The bulb ceases to glow
Show Answer
Answer:
Correct Answer: B
Solution:
There will be self induction effect when soft iron core is inserted.
