…… are help in decomposition of plant and animal substances and turns them as organic matter.
A) Bacteria
B) Fungi
C) Both A and B
D) None of the above
1 Answers
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An insulated wire is wound so that it forms a flat coil with N=100 turns. The radius of the innermost turns is `R_(1)=4 cm` . What magnetic moment wil
Correct Answer - `m=(1)/(3)piNI(R_(1)^(2)+R_(1)R_(2)+R_(2)^(2))=2.2 xx 10^(-3)A m^(2)`
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A tangent galvanometer has two circular coils having turns in the ratio 1:10 . When the coil with smaller number of turns is used,a current of 0.5A pr
Correct Answer - 0.05 A
2 Answers 1 views
A circular coil `P` of `100` turns and radius `2cm` is placed coaxially at the center of another circular coil `Q` of `100` turns and radius `20cm` .
Correct Answer - `(a) 3.94xx10^(-4)H (b) 19.72xx10^(-3)V (c ) 19.72xx10^(-3)Wb//s (d) 9.86xx10^(-5)C`
2 Answers 2 views
A long solcnoid of length 1m, cross-sectional area `10cm^(2)`, having 1000 turns has wound about its centre a small coil of 20 turns. Compute the mutu
Correct Answer - `25I mu V`
2 Answers 1 views
A transformer has 200 turns in primary coil and 600 turns in secondary coil. If a 220 V DC is applied across primary coil what will be the voltage acr
Correct Answer - `0`
2 Answers 1 views
A solenoid 1.0 m long and 0.05 m in diameter, has 700 turns. Another solenoid of 50 turns is tightly wound over the first solenoid. Find (i) the mutua
Correct Answer - `0.86muH,4.3xx10^(-4)`V
2 Answers 1 views
Fill in the blanks : (ii)Many enzymes contain cetain ___ substances associated with them. There substances are called ____
Correct Answer - non-protein , cofactors
2 Answers 1 views
Waste substances that can be degraded by microbes into harmless and non-toxic substances are
C) biodegradable waste
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Decomposition of organic waste requires
Correct option is B) Oxygen
2 Answers 1 views
The basic form of matter that cannot be broken down into simpler substances in chemical reactions is ………………
Correct option is B) compound
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