An average voltage of 10 V is induced in a 250 turns solenoid as a result of a change in flux which occurs in 0.5 second. The total flux change is
A. 20 Wb
B. 2 Wb
C. 0.2 Wb
D. 0.02 Wb
Answer: Option D
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
e= N.dQ/dt
10= 250*dQ/.5
10= 500*dQ
dQ=10/500
dQ=0.02wb
e = N dQ/dt