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The solenoids S1 and S2 are wound on an ironcore of relative permeability 900.
asked
Jan 5, 2018
in
Class 12
by
kratos
electromagnetic induction
class-12
alternating current
cbse
+3
votes
0
answers
The distribution below gives the weight of 30 students in a class. Find the median weight of students: Weight (in Kg): 40 - 45
asked
Jan 5, 2018
in
Class 11
by
kratos
class-11
class-10
statistics
+3
votes
0
answers
Calculate the mole fraction of NaOH in a solution containing 20 g of NaOH per 360 g of water.
asked
Jan 5, 2018
in
Chemistry
by
kratos
some basic concepts of chemistry
class-11
mole concept
neet
+1
vote
0
answers
A wire of resistance 2 ohms per meter is bent to form a circle of radius 1 m.
asked
Jan 5, 2018
in
Class 12
by
kratos
neet
jee
jee mains
class-12
current electricity
+2
votes
0
answers
Find the roots of the equation a^2x^2 – 3abx + 2b^2 = 0.
asked
Jan 5, 2018
in
Class 10
by
kratos
quadratic equations
class-10
+2
votes
0
answers
cot(π/4 - 2 cot^-1 3) = A. 4 B. 6 C. 5 D. none of these
asked
Jan 5, 2018
in
Class 12
by
kratos
class-12
inverse trigonometric functions
+1
vote
0
answers
If a body of mass 0.98 kg is made to oscillate on a spring of force constant 4.84N/m,the angular frequency of the body is
asked
Jan 5, 2018
in
Class 11
by
kratos
waves
oscillations
class-11
+2
votes
0
answers
Calculate the pH of a solution obtained by mixing of 100 ml of 0.1 M HCI and 100 ml of 0.2 M NH3 ?
asked
Jan 5, 2018
in
Class 12
by
kratos
equilibrium
class-11
neet
+3
votes
0
answers
An umbrella has 8 ribs which are equally spaced (see the figure). Assuming umbrella to be a flat
asked
Jan 5, 2018
in
JEE
by
kratos
electrostatics
jee
class-10
jee mains
areas related to circles
+3
votes
0
answers
Ten ***** can complete a piece in 15 days. Six men can complete the same piece of work in 10 days.
asked
Jan 5, 2018
by
kratos
class-8
time and work
+1
vote
0
answers
What is adsorption? How does adsorption ola gas on a solid surface vary with pressure? Illustrate with the help of an appropriate graph.
asked
Jan 5, 2018
in
Chemistry
by
kratos
class-12
surface chemistry
+1
vote
0
answers
Reporting time of an employee is given below:
asked
Jan 5, 2018
in
Physics
by
kratos
the hour of truth
class-10
resource mobilization
class-12
nuclear physics
+1
vote
0
answers
An alternating emf of 200 V, 50 Hz is applied to an L – R circuit, having a resistance R of 10 Ω .
asked
Jan 5, 2018
in
JEE
by
kratos
isc
class-12
jee mains
icse
jee
cbse
+1
vote
0
answers
The following table gives the number of ******** of 150 families in a village
asked
Jan 5, 2018
in
Class 10
by
kratos
class-8
class-10
statistics
class-9
+1
vote
0
answers
Find the intervals in which the following functions are increasing or decreasing. f(x) = 10 – 6x – 2x^2
asked
Jan 5, 2018
in
Class 12
by
kratos
class-12
increasing and decreasing functions
+2
votes
0
answers
Two identical springs have the same force constant of 147 Nm^-1 . What elongation will be produced in each case shown in figure?
asked
Jan 5, 2018
in
JEE
by
kratos
waves
oscillations
class-11
jee
jee mains
+1
vote
0
answers
A cube of 5 cm has its upper face displaced by 0.2 cm by a force of 8 N. Find Shear Modulus, Stress and Strain.
asked
Jan 5, 2018
in
Class 11
by
kratos
mechanical properties of solids
class-11
class- 11
+3
votes
0
answers
What happens to the force between two objects, if i) the mass of one object is doubled?
asked
Jan 5, 2018
in
Class 11
by
kratos
class-11
class-9
gravitation
+1
vote
0
answers
Explain the working of a CC amplifier?
asked
Jan 4, 2018
in
Class 12
by
kratos
transistor amplifiers
class-12
+1
vote
0
answers
Determine the speed with which the Earth has to rotate so that the weight of a person on the equator is 2/3^rd of the current weight.
asked
Jan 4, 2018
in
JEE
by
kratos
class-11
jee
universal gravitation
jee mains
gravitation
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