# ONLINE MCQ EE-ELECTROMAGNETIC INDUCTION 5

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]
 \$(document).ready(function(){ \$(‘#loaddata2141’).click(function(){ qid2141=\$(‘#qid2141’).val(); section2141=\$(‘#section2141’).val(); type2141=\$(‘#type2141’).val(); subtype2141=\$(‘#subtype2141’).val(); \$.post(‘../../fav’,{ qid:qid2141, section: section2141, type: type2141, subtype: subtype2141 },function(ajaxresult){ \$(‘#getrequest2141’).html(ajaxresult); qid2141=\$(‘#qid2141’).val(”); section2141=\$(‘#section2141’).val(”); type2141=\$(‘#type2141’).val(”); subtype2141=\$(‘#subtype2141’).val(”); }); }); }); Explanation:- Answer : B
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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