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ONLINE MCQ EE-ELECTROMAGNETIC INDUCTION 5

Harikesh Yadav
Q41. Which of the following circuit elements
will oppose the change in circuit current?
 A.  Capacitance
 [Wrong Answer]		  B.  Inductance
 [Correct Answer]
 C.  Resistance
 [Wrong Answer]		  D.  All of the above
 [Wrong Answer]
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Q42. In case all the flux from the current in
coil 1 links with coil 2, the co-efficient
of coupling will be
 A.  2.0
 [Wrong Answer]		  B.  1.0
 [Correct Answer]
 C.  0.5
 [Wrong Answer]		  D.  zero
 [Wrong Answer]
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Q43. A conductor carries 125 amperes of current
under 60° to a magnetic field of 1.1
tesla. The force on the conductor will be
nearly
 A.  50 N
 [Wrong Answer]		  B.  120 N
 [Correct Answer]
 C.  240 N
 [Wrong Answer]		  D.  480 N
 [Wrong Answer]
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Q44. Two 300 µH coils in series without
mutual coupling have a total inductance
of
 A.  300 µH
 [Wrong Answer]		  B.  600 µH
 [Correct Answer]
 C.  150 µH
 [Wrong Answer]		  D.  75 µH
 [Wrong Answer]
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