Electromagnetic Induction and Alternating Current 3 Question 3
3. The total number of turns and cross-section area in a solenoid is fixed. However, its length
(a)
(b)
(c)
(d)
Show Answer
Answer:
Correct Answer: 3. (a)
Solution:
- (a) Self inductance
(Here,
(
NOTE We can determine expression of
But for a solenoid,
