1. The S.I. unit of power is
(a) henry
(b) coulomb
(c) watt
(d) watt-hour
(a) resistance
(b) power
(c) voltage
(d) energy
(a) insulators
(b) inductors
(c) semi-conductors
(d) conductors
(a) Cast iron
(b) Copper
(c) Carbon
(d) Tungsten
(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
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19 comments:
nice question
GOOD JOB BUDDY
Congratulations for the patience in making these number of multiple choice questions.
good kwoledge give.......in the questions.
Q No. 37, The power drop should be 12 watts. Formula p=i'2 *r
GOOD ONE *
GOOD BASIC QUESTIONS
very good question .pls suges me this type of question found in govt exams
yeah 37 power is 12 watts
111.thermister have negative temp.of coefficient
nice questions.......
nice questions but some mistakes like answer of these questions is- 32 : a and 48 : d
I think answers of these questions is
56 : e and 97 : D, recheck pl.
power full jop and hard work, thanks
great knowlegge
thanks u hv a grt job...questions help me alot.. :-)
Good question but answer for question no.32 should be a *
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