Explore topic-wise InterviewSolutions in Current Affairs.

Answer:100 Newton

Explanation:REFER the ATTACHED PHOTO

ANSWER:

A generator converts MECHANICAL energy into electrical energy, while a motor does the opposite - it converts electrical energy into mechanical energy. Both devices WORK because of electromagnetic induction, which is when a VOLTAGE is induced by a changing magnetic FIELD.

ANSWER:

WORK DONE ALONG Z axis=3×4=12m

Answer:

10 ohm

Explanation:

REACTANT (X) =1/wc

w=4000Hz

c=25×10^-6

so X= 10OHM

EXPLANATION:

It's is IMAGINARY SCENARIO

So, you can just IMAGINE that..........

Explanation:

139602 - the RESULTANT of TWO forces acting at an angle of 150degree is 10 kg WEIGHT and is PERPENDICULAR to. ... 100/y = sin(180-150) = sin30 ...

HOPE it is helpfull PLZ

MARK as BRAINLIST

ANSWER:

Convex

Explanation:

A convex LENS ALWAYS forms a REAL image.

A concave lens never forms a real image.

ANSWER:

Answer is 1:2

am SURE about this

ANSWER:

at t=1 POWER =9 WATT

ANSWER:

it cannot be CALCULATED with PRESENT KNOWN TECHNOLOGIES

Answer:

it is due to SILVER ATOMS

HOPE this HELPS

Answer:

To perform the activity you need to follow the following steps:

Get a battery, two magnets of different SIZES and magnetic intensities, an aluminium rod, CONNECTING wires, stand,

Now arrange the above mentioned articles as shown above.

When the arrangement has been made keep the rod still in air and switch on the current.

Observation: NOTHING happens.

Now bring the magnet with LOWER magnetic intensity closer to the aluminium rod.

Observation: The rod deflects. Closely observe the velocity of the rod.

Inference: A current carrying conductor in magnetic field experiences force.

Now steady the rod and bring the both the magnets closer together (to ensure that the magnetic field is greater than in the previous case).

Observation: The rod moves towards the magnet only this time it is faster as it was earlier.

Inference : The above is possible only and only if the force acting on the rod is more than in the previous case. Because since the body will be STARTING with zero velocity it will move faster only if its acceleration is more and since acceleration more the force acting on it is more. Thus, force acting on a current carrying conductor placed in a magnetic field increases with the increase in the field strength.

Explanation:

electricity is produce DUE to continuous motion of ELECTRON through the wire .For example

when p.d is applied in the conductor then electrons start to follow through due to which electricity is produce..

Explanation:

A laser diode, (LD), injection laser diode (ILD), or diode laser is a semiconductor device similar to a light-emitting diode in which a laser beam is created at the diode's junction.[1] Laser diodes can directly convert electrical energy into light. Driven by voltage, the doped p-n-transition allows for RECOMBINATION of an electron with a hole. Due to the drop of the electron from a higher energy level to a lower one, RADIATION, in the form of an emitted photon is generated. This is spontaneous emission. Stimulated emission can be produced when the process is continued and further generate light with the same PHASE, coherence and wavelength.

The choice of the semiconductor material determines the wavelength of the emitted beam, which in today's laser diodes range from infra-red to the UV spectrum. Laser diodes are the most common type of lasers produced, with a wide range of uses that include fiber optic communications, barcode readers, laser pointers, CD/DVD/Blu-ray disc reading/recording, laser printing, laser scanning and light beam illumination. With the use of a phosphor like that found on white LEDs, Laser diodes can be USED for general illumination.

HOPE IT IS HELPFULL

!!!PLEASE MARK AS BRAINLIST¡¡¡¡

Answer:

I THINK answer B or I am so sorry I can't HELP DEFINITELY answer is B

ANSWER:

PLEASE CHECK the FOLLOWING PIC for the answer

Answer:

B is correct option.

Explanation:

by newton's 3rd LAW of motion.

every action has an equal and OPPOSITE reaction.

the force which the man EXERTS on the floor keeps him moving.

the person applies force on floor and in reaction the floor applies same force and push the person FORWARD.

ANSWER:

(द) it is the CORRECT answer

ANSWER:

VALUE of g at equator is LOWEST on the earth and less than its value on the poles

Answer:

When sudden pull is given to C, the string in the portion BC will break because this sudden pull due to force will impart an impulse in the string. There would not be ENOUGH TIME of transfer of energy from string BC to the upper string connecting the block to the ceiling.

HOPE this answer is helpful.

Note: For a BETTER UNDERSTANDING of this question a somewhat similar figure is attached

Answer:

LET x=h

and, 2x=2h

so,

x/2x=h/2h

1/2=1/2

So, the RATIO is 1:2

means option c)1:2 is CORRECT

Hope you may get it

MARK as BRAINLIEST

Thank You...

Answer:

force = I ( l * B)

the DIRECTION of force can be found by RIGHT hand RULE

you have not TOLD the TIME

ANSWER:

The tendency of an OBJECT to resist changes in its state of motion VARIES with mass. Mass is that quantity that is solely dependent upon the inertia of an object. The more inertia that an object has, the more mass that it has. A more massive object has a greater tendency to resist changes in its state of motion.

Explanation:

Answer:

10m/s

Explanation:

x = 6t

dx/dt = VX = 6 m/s

y= 8t -5t²

dy/dt= 8-10t

At TIME, t= 0 dy/dt = 8

So net v = √(8² + 6²)

= 10 m/s

Answer:

X = 0

Explanation:

This is because if we substitute x by ZERO in the given equation, it will result in POTENTIAL energy U = 0, which means that the particle is in equilibrium due to no potential energy

Hope this answers your question!

ANSWER:

SORRY but only 3 ...............

ANSWER:

There are a NUMBER of WAYS to reduce friction:

Make the SURFACES smoother.

Lubrication is another way to make a surface smoother.

Make the object more streamlined.

Reduce the forces acting on the surfaces.

Reduce the contact between the surfaces.

Roll the bodies instead of SLIDING them.

Explanation:

mark me as the brainliest and get 7 years of good luck.....

ANSWER:

A particle starts from rest so, initial velocity of particle , U = 0

particle acceleration with UNIFORM acceleration a

So, particle must follow all kinematical equations .

I mean, S = ut + 1/2at²

At u = 0, S = 1/2at²

Here S is DISPLACEMENT during t time .

∴ displacement in last 2 sec = distance travelled in n sec- distance travelled in (n -2) sec

= \bold{S_n-S_{n-1}} = 1/2 an² - 1/2a(n -2)²

= 1/2 a (n² - n² + 4n - 4)

= a (2n -2)

So, displacement in last 2 sec = a(2n - 2)

A/C to question,

Final velocity = v

Time = t

Acceleration = a

Then, use formula,

v = u + at

initial rest so, u = 0

v = a × n ⇒a = v/n

Now, displacement in last 2 sec = v/n(2n - 2) = 2v - 2v/n

ANSWER:

VALUE of wajt BRO COMPLET the QUESTION

YES LAWS of CONSERVATION MOMENTUM and LINEAR momentum

ANSWER:

SEARCH on google

Explanation:

Answer:

In most cases the proton-motive force is generated by an electron transport CHAIN which acts as a proton PUMP, using the GIBBS free ENERGY of redox reactions to pump protons (hydrogen ions) out across the membrane, separating the charge across the membrane.

Explanation:

MAKE me as brainaliest

ANSWER:

EC of ELEMENTS 1-30

Explanation:

ANSWER:

ELECTRIC FIELD due to a electric chain with is symmetric by the FORM of PHYSICS

Answer:

1g------>80cal

1g------>80cal1000g----->80×1000

1g------>80cal1000g----->80×100080000×4.186J

1g------>80cal1000g----->80×100080000×4.186J=334880

HOPE THIS HELPS YOU

PLEASE MARK IT AS BRAINLIEST

NEWTON's SECOND LAW GIVES the measure of Force.

According to Newton's second law,

F = ma

Where,

F is force

m is mass

and a is Acceleration

___________________!

ANSWER

Linear Motion

hope it HELPS ☺️

Answer:

Hence, 2 GM of Hydrogen occupies 22.4 LITRES of VOLUME. So it is pretty obvious that 1 gm of Hydrogen gas occupies 11.2 litres at STP.

s=d/t so

distancw is 2PIE R for circle

r2 is DIMETER so radius is r

2PIER/T is the answer

i HOPE it HELPS...

Answer:

what I could not UNDERSTAND

EXPLANATION:

PLEASE ask QUESTIONS properly

if U dont mind WRITE the ASSUMPTION part by yourself

Answer:

Electron gain enthalpy is sometimes also referred to as Electron affinity although there is a MINUTE difference between them. ... Sign Convention For Electron Gain Enthalpy: NEGATIVE: When energy is RELEASED while accepting an electron. POSITIVE: When energy is SUPPLIED to an atom while adding an electron

Explanation:

make me as brainaliest

ANSWER:

no...of can't be FORMED

Answer:

Train in ORDER to CROSS the bridge it has to cross the length of the bridge and it's own length as WELL.

Total length to cover = 900m+100m = 1000m

Speed of the train = 72kmph * (5/18) = 20m/s

Time TAKEN = Distance / Speed = 1000m/ 20m/s = 50s

Time taken by the train to cross the bridge is 50s

Not UNDERSTANDING PLZ

Answer:

A DIPOLE moment is simply the measure of net polarity in a MOLECULE. ... Polar molecules exhibit a large DIFFERENCE in electrical CHARGE (a positive end and a negative end), otherwise known as a dipole moment. For example, ammonia (NHsub3) is a polar molecule.

Explanation:

MAKE me as brainaliest

ANSWER:

a body is SAID to in motion if CHANGE the position with the respect to FIXED to the point in its sorrounding

In most situations the friction FORCES are KINETIC, however the frictional friction can sometimes increase the kinetic ENERGY