Both the number of turns and the core length of an inductive coil are doubled. Its self-inductance will be
A. Unaffected
B. Doubled
C. Halved
D. Quadrupled
Answer: Option B
This Question Belongs to Electronics And Communications Engineering >> Electromagnetic Induction
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Related Questions on Electromagnetic Induction
A. Self-inductance
B. Mutual inductance
C. Series aiding inductance
D. Capacitance
Which circuit element(s) will oppose the change in circuit current?
A. Resistance only
B. Inductance only
C. Capacitance only
D. Inductance and capacitance
Which of the following circuit elements will oppose the change in circuit current?
A. Capacitance
B. Inductance
C. Resistance
D. All of the above
A. 2.0
B. 1.0
C. 0.5
D. Zero
L = constant * N2/l
L' = constant * (2N)2/2l
L' = c * 4N2/2l
L' = c*2N2/l
L' = 2(c*N2/l)
L' = 2(L)
L' = increased to deuble