Forwarded from Himanshi Singh lets learn
🔻A galvanometer acting as a volt meter will have with its coil.
Anonymous Quiz
30%
(a) a high resistance in parallel
43%
(b) a high resistance in series
20%
(c) a low resistance in parallel
6%
(d) a low resistance in series
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⏭Ohm’s law is valid when the temperature of conductor is :
Anonymous Quiz
16%
(a) very low
27%
(b) very high
12%
c) varying
44%
(d) constant
Forwarded from Himanshi Singh lets learn
↗1 kilowatt hour is commonly known as :
Anonymous Quiz
39%
(a) unit
37%
b) 1 faraday
17%
c) 1 curie
7%
(d) None of these
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🔺Sulphur molecule is
Anonymous Quiz
32%
(a) diatomic
19%
(b) triatamic
18%
c) tetratomic
31%
(d) Octa-atomic
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☣The surface density of charge is measure:
Anonymous Quiz
22%
(a) Cm-1
44%
b) Cm-2
22%
c) Cm-3
12%
d) JC-1
👍1
Forwarded from Himanshi Singh lets learn
🔼The electric potential of earth is taken as:
Anonymous Quiz
48%
(a) zero
40%
b) infinity
11%
(c) unity
2%
(d) None of these
Forwarded from Himanshi Singh lets learn
Forwarded from Himanshi Singh lets learn
↗A choke is used as a resistance in :
Anonymous Quiz
14%
(a) d.c circuits
40%
(b) a.c circuits
37%
(c) both ac and dc circuits
9%
(d) neither (a) nor (b)
Forwarded from Himanshi Singh lets learn
↘Well defined nucleus is absent in
Anonymous Quiz
43%
(a) blue green algae
26%
b) diatoms
16%
(b) algae
15%
(d) yeast
Forwarded from Himanshi Singh lets learn
Which of the following is an Autotrophy?
Anonymous Quiz
8%
Fish
61%
Algae
15%
Butterfly
17%
Mushroom
Forwarded from Himanshi Singh lets learn
↗Nerve cell does not contain
Anonymous Quiz
9%
(a) axon
27%
(b) nerve endings
58%
(c) tendons
6%
(d) dendrites
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🔼Oxidation number of gold metal is
Anonymous Quiz
50%
(a) +1
22%
(b) 0
12%
(c) -1
16%
(d) all of these
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⬇⬆A body is traveling in a circle at constant speed. It
Anonymous Quiz
25%
(a) has an inward acceleration
39%
b) has constant velocity.
22%
(c) has no acceleration
14%
d) has an outward radial acceleration
Forwarded from Himanshi Singh lets learn
🔽When angular velocity changes with respect to time then?
Anonymous Quiz
52%
(a) an angular acceleration is produced
31%
(b) a linear acceleration is produced
9%
c) it constitute a couple
8%
(d) a linear velocity is produced
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↪The good absorber of heat are
Anonymous Quiz
10%
(a) Non-emitter
28%
(b) Poor-emitter
50%
(c) Good-emitter
11%
(d) Highly polished
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↘Blood corpuscles are formed in the
Anonymous Quiz
11%
(a) Haversian canal
12%
(b) endosteum
74%
(c) red bone marrow
4%
(d) pancreas
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🔽Formula of copper pyrite is
Anonymous Quiz
15%
a)Cu2S
26%
(b) CuFeS
46%
(c) CuFeS2
13%
(d) Cu2Fe2S2
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↘Common impurities present in bauxite are
Anonymous Quiz
18%
(a) CuO
30%
(b) ZnO
19%
(c) CaO
34%
(d) SiO2
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💥In blast furnace iron oxide is reduced by
Anonymous Quiz
16%
(a) silica
52%
(b) carbon monoxide
18%
(c) carbon
14%
(d) lime stone
Forwarded from Himanshi Singh lets learn
🔻Which of the following oxides cannot be reduced by hydrogen?
Anonymous Quiz
17%
(a) Ferric oxide
39%
(b) Aluminium oxide
21%
c) Zinc oxide
23%
(d) Cupric oxide
Forwarded from Himanshi Singh lets learn
✴Radio waves from an antenna travel with the velocity of:
Anonymous Quiz
30%
a) light
26%
(b) sound
35%
c) ultrasonics
9%
(d) supersonics