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Answer:9 OHM is your answer

Explanation:

EXPLANATION:

CALLED as DIPOLE MOMENT

Answer:

For ferromagnetic MATERIAL the COERCIVITY is the intensity of the applied magnetic FIELD required to reduce the magnetization of that material to zero after the magnetization of the sample has been driven to saturation. Thus coercivity measures the resistance of a ferromagnetic material to BECOMING DEMAGNETIZED.

Answer:

The PRIMARY reason that POWER is transmitted at high voltages is to increase efficiency. ... The lower current that accompanies high VOLTAGE transmission reduces resistance in the conductors as electricity flows along the cables. This means that THIN, light-weight wires can be USED in long-distance transmission.

Answer:

When the Sun's energy moves through space, it REACHES Earth's ATMOSPHERE and finally the surface. This RADIANT solar energy warms the atmosphere and becomes heat energy. This heat energy is transferred THROUGHOUT the PLANET's systems in three ways: by radiation, conduction, and convection.

Answer:

Just GETTING to the center of the EARTH and surviving is impossible. The Earth's core is about 9,000°F—as hot as the sun's surface—and would instantly ROAST anyone who found himself there. ... The only gravity strong enough for us to feel COMES from the Earth's mass, which is why we feel a downward PULL on the surface.

CONSTANT MEANS FIXED, NOT MOVING

AND

UNIFORM MEANS NOT FIXED, MOVING

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Answer:

vulcanizatin MAKE RUBBER more elastic and increases its STRENGTH, done by HEATING it in PRESENCE of sulfur

Explanation:

Physics is a mathematical science. The underlying concepts and principles have a mathematical basis. Throughout the course of our study of physics, we will encounter a variety of concepts that have a mathematical basis associated with them. While our emphasis will often be upon the conceptual nature of physics, we will give considerable and persistent attention to its mathematical aspect.

The motion of objects can be described by words. Even a person WITHOUT a background in physics has a collection of words that can be used to describe moving objects. Words and phrases such as going fast, stopped, slowing down, speeding up, and turning provide a sufficient VOCABULARY for describing the motion of objects. In physics, we USE these words and many more. We will be expanding upon this vocabulary list with words such as distance, displacement, speed, velocity, and acceleration. As we will soon see, these words are associated with mathematical quantities that have STRICT definitions. The mathematical quantities that are used to describe the motion of objects can be divided into two categories. The quantity is either a vector or a scalar. These two categories can be distinguished from one another by their distinct definitions:

Scalars are quantities that are FULLY described by a magnitude (or numerical value) alone.

Vectors are quantities that are fully described by both a magnitude and a direction.

The remainder of this lesson will focus on several examples of vector and scalar quantities (distance, displacement, speed, velocity, and acceleration). As you proceed through the lesson, give careful attention to the vector and scalar nature of each quantity. As we proceed through other units at The Physics Classroom Tutorial and become introduced to new mathematical quantities, the discussion will often begin by identifying the new quantity as being either a vector or a scalar.

The stopping POTENTIAL increased when the wavelength of the incident LIGHT decreased. For a GIVEN light frequency and a particular metal for the CATHODE, the photocurrent is constant until a large enough retarding potential prevents the ejected electrons from reaching the anode.

Answer:

90 degrees

Explanation:

the vector i+j can be represented on argand PLANE by a point(1,1) and vector i-j by (1,-1). The angle between them is angle betweem their representations on argand plane. Hence the answer is 90 degrees or (-90) in terms of ANTICLOCKWISE notation from A to B.

ANSWER:

GERMANIUM and SILICON

Answer:

the LARGER distance of IMAGE is 10,20 CM of focal LENGTH

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ANSWER:

the MOTION is UNIFORM not ACCELERATED

ANSWER:

HEIGHT of object=2.5cm

Object distance=-12cm

Focal length=30cm

1/v=1/f-1/u

1/v=1/30+1/12

1/v=2/60+5/60

1/v=7/60

1/v=1/8.57

v=8.57. 1st

Magnification=h'/h=-v/u

2.5/h=-8.57/12

h=-12x2.5/12. 2ND

Answer:

The main IDEA of BLENDED fabrics is to COMBINE fibers with certain qualities with fibers of other qualities that compliment each other. Cotton and polyester are example of blend fabrics. Cotton is COMFORTABLE to WEAR, however, it wrinkles easy where on the other hand Polyester does not wrinkle.

ENERGY required=change in POTENTIAL energy of the system

del U=Uf-Ui

Uf=-GMm/3R

Ui=-GMm/2R

del U=Uf-Ui

=-GmM/R(1/3-1/2)

=-GMm/R(-1/6)

=GMm/6R

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normal TEMPERATURE of human body on CELSIUS scale is 37 C

though it lies between 36.5-37.5 C

(add 273 to GET your answer in KELVIN)

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ANSWER:

no they are not MOVING because MASSES are not EQUAL

tangential ACCELERATION id GIVEN by the differentiation of the particle VELOCITY with RESPECT to time

ie

a tangential=dv/dt

whereas

a centripetal=v^2/r

hope this HELPS.

Explanation:

For ferromagnetic material the COERCIVITY is the intensity of the applied MAGNETIC field required to REDUCE the magnetization of that material to ZERO after the magnetization of the SAMPLE has been driven to saturation. Thus coercivity measures the resistance of a ferromagnetic material to becoming demagnetized.

Explanation:

Absorption loss, on the other hand, increases with frequency because skin depth DECREASES. For ELECTRIC FIELDS and PLANE WAVES, the primary shielding mechanism is reflection loss, and at high frequencies, the mechanism is absorption loss.

In a higher BANDGAP material breakdown VOLTAGE will be higher as for more bandgaps more and more energy will be REQUIRED for joining both gaps which is the REASON why such materials have more breakdown VOLTAGES

Answer:

Each one has a tiny north and south pole. If you CUT one in half, the newly cut faces will BECOME the new north or south POLES of the smaller pieces. ... The magnetic domains in a magnetic material can be knocked loose, by BUMPING or vibrating the MAGNET (like when sawing it in half).

distance=20 m

time=30 sec

speed=distance/time

=20/30

=2/3 m/s

or

=0.66 m/s

hope this HELPS

ANSWER:

Your answer is in PICTURES

EXPLANATION:

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Answer:

RESISTIVITY =¶(it MEANS rho) L/a

just substitute the VALUES for l and a

area, a = πr²

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RAMSDEN EYEPIECE

It consists of two plano-convex lenses of equal FOCAL length separated by the distance equal to two-thirds the focal length of either. The convex faces are towards each other and the eyepiece is placed beyond the image formed by the objective. In this eyepiece CROSS wires are provided and it is used in optical instruments where ACCURATE quantitative measurements are made.

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ANSWER:

TETA US thé ANGLE between them

ANSWER:

(M1)=90kg

m2=100kg

v2=75m/s

v1=?

from principle of conservation of

linear momentum,

INITIAL momentum=final momentum

0=m1.v1+m2.v2

0=90.v1+100.75

90.v1 =-7500

v1=-7500/90

:v1=-83.33m/s

-'ve sign indicate VELOCITY of CANON

Is in opposite directions..

Near about 2 CRORE VEHICLES are check about POLLUTION

SLOPE of speed time GRAPH is GIVEN by

slope=v2-v1/t2-t1

or

slope=dv/dt

(if INTERVAL is very small)

we also KNOW that

dv/dt=acceleration

and

v2-v1/t2-t1=acceleration

therefore slope of v-t graph gives acceleration.

SLOPE of SPEED time graph is given by

slope=v2-v1/t2-t1

or

slope=dv/dt

(if INTERVAL is very small)

we also know that

dv/dt=acceleration

and

v2-v1/t2-t1=acceleration

therefore slope of v-t graph gives acceleration.

slope of distance time graph is REPRESENTED by

slope=dx/dt

or

slope=x2-x1/t2-t1

we know that

dx/dt= velocity

and

x2-x1/t2-t1=velocity

therefore slope of x-t graph gives velocity.

Answer:

1) a= v-u/t

a= 20-0/120sec

1.667m/s^2

2) d=s×t

d= 20×120= 2400m

3) Mass is a dimensionless quantity REPRESENTS AMOUNT of MATTER in a partical.

4) Mass is SCALAR quantity.

Answer:

1. flute

2. sehanai

hope it will HELP you..

ANSWER:

neucleus SIZE RANGES in the ANGSTROM UNIT

It is ONE of the laws of refraction and reflection that the LIGHT ray passes undeviated through the centre of CURVATURE or the optical centre of MIRROR

ANSWER:

DOPING done on CERTAIN semiconductor leads to increase in positive IONS or opposite ions in the semiconductor material LEADING to a greater conductivity and so the breakedown voltages are dec.

Answer:

They are DIRECTLY PROPORTIONAL .If we INCREASE FORCE acceleration also increase.

ANSWER:

lower wave length has higher temperature because FREQUENCY INCREASE due to decrease in wave length.

Explanation:

I think you have LEARNED about the electromagnetic sepctrum.In that game Ray's has high frequency so it PRODUCE high temperature also it has low wavelength and also emmit radiation

The name of this force is centriprital force and UNIFORM CIRCULAR motion refers to motion with a uniform velocity ALONG a circular path if the force is not applied on the OBJECT it will deviate from its path so the force needs to be applied continuosly on it

ANSWER:

at the TOP g=-ve

h=44.1

EXPLANATION:

C'=2+2 =4

c"=2+2 =4

total capacitance

C=1/4+1/8+1/4

C=8/9

B). C'= 1+2 =3

C"=1+2 =3

total capacitance

C=1/3+1/3+1/3

C=3.