1. The S.I. unit of power is
(a) henry
(b) coulomb
(c) watt
(d) watt-hour
Ans: c
2. Electric pressure is also called
(a) resistance
(b) power
(c) voltage
(d) energy
Ans: c
3. The substances whfch have a large number of free electrons and offer a low resistance are called
(a) insulators
(b) inductors
(c) semi-conductors
(d) conductors
Ans: d
4. Out of the following which is not a poor conductor ?
(a) Cast iron
(b) Copper
(c) Carbon
(d) Tungsten
Ans: b
5. Out of the following which is an insulating material ?
(a) Copper
(b) Gold
(c) Silver
(d) Paper
Ans: d
6. The property of a conductor due to which it passes current is called
(a) resistance
(b) reluctance
(c) conductance
(d) inductance
Ans: c
7. Conductance is reciprocal of
(a) resistance
(b) inductance
(c) reluctance
(d) capacitance
Ans: a
8. The resistance of a conductor varies inversely as
(a) length
(6) area of cross-section
(c) temperature
(d) resistivity
Ans: b
9. With rise in temperature the resistance of pure metals
(a) increases
(b) decreases
(c) first increases and then decreases
(d) remains constant
Ans: a
10. With rise in temperature the resistance of semi-conductors
(a) decreases
(b) increases
(c) first increases and then decreases
(d) remains constant
Ans: a
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(a) henry
(b) coulomb
(c) watt
(d) watt-hour
Ans: c
2. Electric pressure is also called
(a) resistance
(b) power
(c) voltage
(d) energy
Ans: c
3. The substances whfch have a large number of free electrons and offer a low resistance are called
(a) insulators
(b) inductors
(c) semi-conductors
(d) conductors
Ans: d
4. Out of the following which is not a poor conductor ?
(a) Cast iron
(b) Copper
(c) Carbon
(d) Tungsten
Ans: b
5. Out of the following which is an insulating material ?
(a) Copper
(b) Gold
(c) Silver
(d) Paper
Ans: d
6. The property of a conductor due to which it passes current is called
(a) resistance
(b) reluctance
(c) conductance
(d) inductance
Ans: c
7. Conductance is reciprocal of
(a) resistance
(b) inductance
(c) reluctance
(d) capacitance
Ans: a
8. The resistance of a conductor varies inversely as
(a) length
(6) area of cross-section
(c) temperature
(d) resistivity
Ans: b
9. With rise in temperature the resistance of pure metals
(a) increases
(b) decreases
(c) first increases and then decreases
(d) remains constant
Ans: a
10. With rise in temperature the resistance of semi-conductors
(a) decreases
(b) increases
(c) first increases and then decreases
(d) remains constant
Ans: a
Read More Questions:
Current Electricity MCQs Part1
Current Electricity MCQs Part2
Current Electricity MCQs Part3
Current Electricity MCQs Part4
Current Electricity MCQs Part5
Current Electricity MCQs Part6
Current Electricity MCQs Part7
Current Electricity MCQs Part8
Current Electricity MCQs Part9
Current Electricity MCQs Part10
Current Electricity MCQs Part11
nice question
ReplyDeleteGOOD JOB BUDDY
ReplyDeleteCongratulations for the patience in making these number of multiple choice questions.
ReplyDeleteQ No. 37, The power drop should be 12 watts. Formula p=i'2 *r
ReplyDeleteGOOD ONE *
ReplyDeleteGOOD BASIC QUESTIONS
ReplyDeletevery good question .pls suges me this type of question found in govt exams
ReplyDelete111.thermister have negative temp.of coefficient
ReplyDeletenice questions.......
ReplyDeletenice questions but some mistakes like answer of these questions is- 32 : a and 48 : d
ReplyDeleteI think answers of these questions is
ReplyDelete56 : e and 97 : D, recheck pl.
power full jop and hard work, thanks
ReplyDeletethanks u hv a grt job...questions help me alot.. :-)
ReplyDeleteGood question but answer for question no.32 should be a *
ReplyDelete